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WorksheetsDövrələr (mövzu 1, 2, 3, 4)
Total questions: 112
Worksheet time: 1hrs 24mins
Which of the following answers correctly expresses the integral relationship between the change in energy (∆w) and power (p)?
∆w=∫pdt t2 t1
∆w=∫prdt t2 t1
∆w=∫pudt t2 t1
∆w=∫pidt t2 t1
∆w=∫pqdt t2 t1
Which of the following answers correctly expresses the integral relationship between the change in energy (∆w) and current (i)?
∆w=∫(pi−2)dt t2 t1
∆w=∫ridt t2 t1
∆w=∫pidt t2 t1
∆w=∫vidt t2 t1
∆w=∫vqidt t2 t1
Which formula correctly describes the differential of energy to charge?
i=dw dq
v=dw dq
R=dw dq
p=dw dq
A=dw dq
Calculate the power supplied according to the circuit below.
P24v=96 W
P24v=16 W
P24v=6 W
P24v=26 W
P24v=36 W
Calculate the power absorbed according to the circuit below (for 1-element).
P1=76 W
P1=16 W
P1=60 W
P1=66 W
P1=32 W
Calculate the power absorbed according to the circuit below (for 2-element).
P1=14 W
P1=15 W
P1=70 W
P1=64 W
P1=32 W
Calculate the value of the current in the interval 0≤t≤1 ms based on the figure below, which describes the dependence of electric charge on time.
i(t)=0 A
i(t)=9 A
i(t)=8 A
i(t)=1 A
i(t)=2 A
Calculate the value of the current in the interval 1≤t≤2 ms based on the figure below, which describes the dependence of electric charge on time.
i(t)=16 A
i(t)=17 A
i(t)=13 A
i(t)=20 A
i(t)=2 A
Calculate the value of the current in the interval 2≤t≤3 ms based on the figure below, which describes the dependence of electric charge on time.
i(t)=36 A
i(t)=10 A
i(t)=18 A
i(t)=0 A
i(t)=6 A
Calculate the value of the current in the interval 6≤t≤9 ms based on the figure below, which describes the dependence of electric charge on time.
i(t)=1.6 A
i(t)=1.33 A
i(t)=2.1 A
i(t)=2.5 A
i(t)=7 A
Determine the power supplied by the dependent source in Fig.
P=26 W
P=80 W
P=65 W
P=6 W
P=12 W
Determine the power supplied by the dependent source in Fig.
P=55 W
P=88 W
P=160 W
P=5 W
P=11 W
Which of the following shows the sign of an independent voltage source?
Which of the following shows the sign of an independent current source?
Which of the following shows the sign of a dependent voltage source?
Which of the following shows the sign of a dependent current source?
Use Tellegen’s theorem to find the current Io in the network in Fig.
I0=1 A
I0=11 A
I0=12 A
I0=16 A
I0=19 A
Determine the power absorbed by 3-element in the network in Fig.
P3=30 W
P3=-30 W
P3=-20 W
P3=26 W
P3=40 W
Determine the power absorbed by 2-element in the network in Fig.
P2=30 W
P2=-30 W
P2=-108 W
P2=36 W
P2=70 W
Determine the unknown I in Fig.
I=15 A
I=17 A
I=13 A
I=-5 A
I=29 A
Determine the unknown V1 in Fig.
V1=-20 V
V1=30 V
V1=10 V
V1=90 V
V1=80 V
Determine the amount of power supplied by the elements in Fig.
P=30 W
P=-3 W
P=-8 W
P=6 W
P=7 W
Determine the amount of power supplied by the elements in Fig.
P=13 W
P=-3 W
P=-9 W
P=-4 W
P=17 W
Based on the figure, which answer below is correct?
P24V= 36 W absorbed
P12V= 18 W supplied
P21x= 4.5 W absorbed
P1= 9 W supplied
P2= 13.5 W absorbed.
Find Ix in Fig. using Tellegen’s theorem.
Ix=5 A
Ix=7 A
Ix=3 A
I=2 A
Ix=-2 A
Which of the following sentences expresses Tellegen’s theorem for an electric circuit?
The sum of the powers absorbed by all elements in an electrical network is zero.
The sum of the powers absorbed by all elements in an electrical network is 2.
The sum of the powers absorbed by all elements in an electrical network is 1.
The sum of the powers absorbed by all elements in an electrical network is 5.
The sum of the powers absorbed by all elements in an electrical network is -1.
Which of the following integrals correctly expresses electric charge?
q(t)=∫pdt t−∞
q(t)=∫udt t−∞
q(t)=∫i(t)dt t−∞
q=∫pidt t2 t1
q=∫pudt t2 t1
The power absorbed by the BOX in Fig is p(t) = 2.5e-4t W. Compute the energy delivered to the BOX in the time interval 0 < t <250 ms.
395.1 mJ
395.75
395.5 mJ
394.54 mJ
396.6 mJ
The power absorbed by the BOX in Fig is p(t) = 2.5e-4t W. Compute the charge delivered to the BOX in the time interval 0 < t <250 ms.
0.8 mC
4.8 mC
6.8 mC
9.8 mC
8.8 mC
Based on the following circuit, determine the value of the current, taking into account the passive sign condition.
I=-4A
I=-5A
I=8A
I=4A
I=16A
In the circuit in Fig determine the current.
I=7 mA
I=-2 mA
I=12 mA
I=6mA
I=1.5 mA
In the circuit in Fig determine the current.
I=7 mA
I=-2 mA
I=12 mA
6mA
I=1.5 mA
In the circuit in Fig determine the power absorbed by the resistor.
P= 0,72 W
P= 7,2 W
P= 0,07 W
P= 72 W
P= 0,072 W
The power absorbed by the 10-kΩ resistor in Fig is 3.6 mW. Determine the voltage in the circuit.
V_S=3 V
V_S=2 V
V_S=4 V
V_S=6 V
V_S=1 V
The power absorbed by the 10-kΩ resistor in Fig is 3.6 mW. Determine the current in the circuit.
I=2,4 mA
I=0,6mA
I=11 mA
5,2 mA
I=1.42 mA
Given the circuit in Fig, find the value of the voltage source.
V_S=10 V
V_S=12 V
V_S=14 V
V_S=5 V
V_S=21 V
Given the circuit in Fig, find the value of the power absorbed by the resistance.
P= 7 mW
P= 5 mW
P=2 mW
P= 1,2 mW
P= 19 mW
Given the network in Fig. find R.
R=5 kΩ
R=15 kΩ
R=25 kΩ
R=35 kΩ
R=55 kΩ
Given the network in Fig. find Vs.
V_S=18 V
V_S=20 V
V_S=44 V
V_S=34 V
V_S=23 V
The power absorbed by G_x in Fig is 50 mW. Find G_x.
G_x=200 μS
G_x=300 μS
G_x=400 μS
G_x=500 μS
G_x=100 μS
Which of the following sentences correctly describes Kirchhoff's current law?
The algebraic sum of the currents entering or leaving any node is 8.
The algebraic sum of the currents entering or leaving any node is 3.
The algebraic sum of the currents entering or leaving any node is zero.
The algebraic sum of the currents entering or leaving any node is -1.
The algebraic sum of the currents entering or leaving any node is 2.
Which of the following correctly describes Kirchhoff's current law?
∑i_jN_j=1(t)=0
∑i_jN_j=1(t)=1
∑i_jN_j=1(t)=−1
∑i_jN_j=1(t)=2
∑i_jN_j=1(t)=−2
Which of the following correctly describes the Kirchhoff's current law for 3-node?
i_1(t)-i_4(t)+i_5(t)-i_7(t)=0
i_2(t)-i_4(t)+i_6(t)-i_7(t)=0
i_2(t)-i_8(t)+i_5(t)-i_7(t)=0
i_2(t)-i_4(t)+i_5(t)-i_7(t)=0
i_2(t)-i_3(t)+i_5(t)-i_7(t)=0
Which of the following correctly describes the Kirchhoff's current law for 1-node?
-i_1(t)+i_2(t)+i_3(t)=0
i_4(t)+i_6(t)-i_7(t)=0
i_8(t)+i_5(t)-i_7(t)=0
i_2(t)-i_4(t)+i_5(t)=0
i_3(t)+i_5(t)-i_7(t)=0
Which of the following correctly describes the Kirchhoff's current law for 2-node?
-i_1(t)+i_2(t)+i_3(t)=0
i_4(t)+i_6(t)-i_7(t)=0
i_8(t)+i_5(t)-i_7(t)=0
i_2(t)-i_4(t)+i_5(t)=0
i_1(t)-i_4(t)+i_6(t)=0
Which of the following correctly describes the Kirchhoff's current law for 5-node?
-i_1(t)+i_2(t)+i_3(t)=0
i_8(t)-i_6(t)-i_7(t)=0
i_8(t)+i_5(t)-i_7(t)=0
i_2(t)-i_4(t)+i_5(t)=0
i_3(t)+i_5(t)-i_7(t)=0
Which of the following sentences correctly describes Kirchhoff's voltage law?
The algebraic sum of the voltages around any loop is is 12.
The algebraic sum of the voltages around any loop is is -5.
The algebraic sum of the voltages around any loop is zero.
The algebraic sum of the voltages around any loop is -1.
The algebraic sum of the voltages around any loop is 2.
Determine the current I_1 - based on the network below.
I_1=80 mA
I_1=15 mA
I_1=2 mA
I_1=16mA
I_1=13 mA
Determine the current I_4 - based on the network below.
I_4=80 mA
I_4=70 mA
I_4=22 mA
I_4=10mA
I_4=23 mA
Determine the current I_5 - based on the network below.
I_5=8 mA
I_5=7 mA
I_5=50 mA
I_5=30mA
I_5=32 mA
Determine the current I_6 - based on the network below.
I_6=-18 mA
I_6=-21 mA
I_6=-12 mA
I_6=-10mA
I_6=-9 mA
Given the network in Fig, find I_1.
I_1=-90 mA
I_1=-75 mA
I_1=-22 mA
I_1=-50mA
I_1=-33 mA
Given the networks in Fig, find I_T.
I_T=60 mA
I_T=65 mA
I_T=20 mA
I_T=40mA
I_T=70 mA
Find I_1 in the network in Fig.
I_1=2 mA
I_1=5 mA
I_1=21 mA
I_1=6 mA
I_1=7 mA
Find I_1 in the network in Fig.
I_1=5 mA
I_1=11 mA
I_1=8 mA
I_1=9 mA
I_1=77 mA
Find I_2 in the network in Fig.
I_2=5 mA
I_2=10 mA
I_2=30 mA
I_2=19 mA
I_2=14 mA
Find the current i_x in the circuits in Fig.
i_x=40 mA
i_x=4 mA
i_x=3 mA
i_x=1 mA
i_x=16 mA
Find the current i_x in the circuits in Fig.
i_x=50 mA
i_x=58 mA
i_x=37 mA
i_x=12 mA
i_x=43 mA
The circuit shown in Fig. If V_R1=18 V and V_R2=12 V are known quantities, find V_R3.
V_R3=20 V
V_R3=10 V
V_R3=40 V
V_R3=25 V
The circuit shown in Fig. If V R1 =18 V and V R2 =12 V are known quantities, find V R3.
V R3 =20 V
V R3 =10 V
V R3 =40 V
V R3 =25 V
V R3 =27 V
The circuit shown in Fig. If V R1 =20 V and V R2 =10 V are known quantities, find V R3.
V R3 =2 V
V R3 =1 V
V R3 =4 V
V R3 =5 V
V R3 =20 V
The circuit shown in Fig. If V R1 =10 V and V R3 =15 V are known quantities, find V R2.
V R2 =12 V
V R2 =13 V
V R2 =47 V
V R2 =25 V
V R2 =21 V
If the conditions R1 = R2 = R3 =R Y and R a =R b =R c =R Δ are satisfied in the case of wye and delta connection of resistances, indicate the correct answer.
R Δ = 3R Y
R Δ = 2R Y
R Δ = 8R Y
R Δ = 12R Y
R Δ = 14R Y
Calculate R1 based on the following electrical circuits.
7 Ω
18 Ω
5 Ω
9 Ω
11 Ω
Calculate R2 based on the following electrical circuits.
26 Ω
20 Ω
8 Ω
7,5 Ω
23 Ω
Calculate R3 based on the following electrical circuits.
10 Ω
1 Ω
2 Ω
4 Ω
3 Ω
Calculate total of (R1 +R2 +R3) based on the following electrical circuits.
7,5 Ω
15,5 Ω
5,7 Ω
6,9 Ω
10,5 Ω
Transform the wye network in Fig. to a delta network and calculate R a.
R a =140 Ω
R a = 130 Ω
R a =120 Ω
R a =100 Ω
R a = 80 Ω
Transform the wye network in Fig. to a delta network and calculate R b.
R b =40 Ω
R b = 70 Ω
R b =20 Ω
R b =15 Ω
R b = 18 Ω
Transform the wye network in Fig. to a delta network and calculate R c.
R c =40 Ω
R c = 30 Ω
R c =35 Ω
R c =14 Ω
R c = 19 Ω
Transform the wye network in Fig. to a delta network and calculate total of (R a +R b +R c).
160 Ω
300 Ω
550 Ω
245 Ω
195 Ω
Determine the correct answer according to electrical circuits.
Determine the correct answer according to electrical circuits.
Determine the correct answer according to electrical circuits.
Determine the correct answer for Wye to Delta conversion.
Determine the correct answer for Wye to Delta conversion.
Determine the correct answer for Wye to Delta conversion.
If the conditions R1 = R2 = R3 =R Y and R a =R b =R c =R Δ are satisfied in the case of wye and delta connection of resistances, indicate the correct answer.
R Δ = R Y
R Δ /3= R Y
R Δ = 2R Y
R Δ = 18R Y
R Δ = 19R Y
Determine the correct answer for Wye to Delta conversion (R1 = R2 = R3).
R c = R 3
R c = 11R 3
R c = 3R 3
R c = 18R 3
R c = 9R 3
Determine the correct answer for Wye to Delta conversion (R1 = R2 = R3).
R a = 3R 1
R a = 10R 1
R a = 13R 1
R a = 8R 1
R a = 7R 1
Determine the correct answer for Wye to Delta conversion (R1 = R2 = R3).
R b = 12R 2
R b = 3R 2
R b = 6R 2
R b = 26R 2
R b = 35R 2
Which of the following sentences refers to the node potential method?
When analyzing a circuit using the node potential method, node potentials are selected as the variables of the circuit.
When analyzing a circuit using the node potential method, node potentials are not selected as circuit variables.
When analyzing a circuit using the node potential method, the currents passing through the node are selected as the variables of the circuit.
When analyzing a circuit using the node potential method, the node potentials are assumed to be zero.
When analyzing a circuit using the node potential method, node potentials are assumed to be negative.
Which of the following sentences refers to the node potential method?
Two of the nodes are selected as reference nodes, and the voltages of the other nodes are determined relative to the reference nodes.
One of the nodes is chosen as the reference node, and the voltages of the other nodes are determined relative to the reference node.
Three of the nodes are selected as reference nodes, and the voltages of the other nodes are determined relative to the reference nodes.
When applying this method, a reference node is not used.
Five reference nodes are used when applying this method.
Which of the following sentences refers to the node potential method?
Usually, more branches are connected to the reference node and its potential is taken to be 1 volt.
Usually, more branches are connected to the reference node and its potential is taken to be 2 volt.
Usually, more branches are connected to the reference node and its potential is taken to be 3 volt.
Usually, more branches are connected to the standard node and are not connected to the ground.
Usually, more branches are connected to the reference node and its potential is taken to be zero (0) since it is connected to ground.
What is the voltage at node 1 relative to reference node 5?
V =3V
V=12 V
V =1,5 V
V =8 V
V =20 V
What is the voltage at node 2 relative to reference node 5?
What is the voltage at node 2 relative to reference node 5?
V =13V
V=2 V
V =3V
V =7 V
V =21 V
Apply the node method determine the V1-voltage according to the following scheme.
V =17V
V=6 V
V =4V
V1=9 V
V =19 V
Apply the node method determine the V3-voltage according to the following scheme.
V =1,7V
V=1,6 V
V =1,5 V
V1=8,6 V
V =1,9 V
Apply the node method determine the V5-voltage according to the following scheme.
V =1,125V
V=1,25 V
V =1,35 V
V1=2,6 V
V =2,9 V
Calculate I2-current according to the following scheme.
I2=4,5 mA
I2=0,5 mA
I2=2,1 mA
I2=1,5 mA
I2=1,2 mA
Calculate I4-current according to the following scheme.
I4=3,5 mA
I4=0,12 mA
I4=0,375 mA
I4=5,5 mA
I4=5,2 mA
Calculate I5-current according to the following scheme.
I5=0,125 mA
I5=0,02 mA
I5=0,075 mA
I5=2,5 mA
I5=2,2 mA
How many equations are required to determine all the currents in a network consisting of 7 branches and 6 nodes?
1
3
2
6
8
If the number of linearly independent equations in an electrical circuit is equal to 2, how many independent circuits should be identified in the circuit?
5
13
12
2
7
How to write the equation for 1-contour according to Kirchhoff's voltage law?
+v1+ v3+ v2- vS1= 0
-v1+ v3+ v2- vS1= 0
+v1- v3+ v2- vS1= 0
+v1+ v3-v2- vS1= 0
-v1-v3+ v2- vS1= 0
How to write the equation for 2-contour according to Kirchhoff's voltage law?
+vS2- v4+ v5- v3= 0
+vS2+ v4+ v5- v3= 0
-vS2+ v4+ v5- v3= 0
+vS2- v4- v5- v3= 0
-vS2- v4+ v5- v3= 0
Write Kirchhoff's current law for node 1 in the following electrical circuit.
i1- iA- i2- i3= 0
i1- iA+ i2- i3= 0
i1+ iA+ i2+ i3= 0
i1- iA+ i4- i3= 0
i4- iA+ i5- i3= 0
How should the current i1 be written in the circuit?
i1=υ1/R1
i1=(υ2- υ1)/R1
i1=υ2/R1
i1=υ3/R1
i1=(υ3- υ2)/R1
How should the current i2 be written in the circuit?
i2=υ1/R2
i2=(υ1- υ2)/R2
i2=υ2/R2
i2=υ3/R2
i2=(υ3- υ2)/R5
How should the current i3 be written in the circuit?
i3=υ1/R2
i3=(υ1- υ2)/R2
i3=υ3/R3
i3=υ3/R2
i3=(υ3- υ1)/R3
Write Kirchhoff's current law for node 2 in the following electrical circuit.
–i1+ iB+ i3= 0
–iA+ iB+ i3= 0
–i2+ iB+ i3= 0
–i2- iB- i3= 0
+i2+ iB+ i3= 0
Write Kirchhoff's current law for node 2 in the following electrical circuit.
+G2(υ1- υ2) + iB + 7G3(υ2-0)= 0
+2G1(υ1- υ2) - iB -G3(υ2-0)= 0
+G2(υ1- υ2) + 2iB + G1(υ2-0)= 0
-G2(υ1- υ2) + iB + G3(υ2-0)= 0
+G2(υ1- υ2) + 5iB + G3(υ2-0)= 0
Write Kirchhoff's current law for node 2 in the following electrical circuit.
-4G2υ1+ + (G2+G3)υ2= -iB
-G2υ1+ + 2(G1+G3)υ2= -iB
-G2υ2+ 7(G2+G3)υ2= -iB
-G2υ1+ (G2+G3)υ2= -iB
-G2υ1+ (G2+G3)υ2= -7iB
How should the current i1 be written in the circuit?
i1=υ1G1
i1=(υ2- υ1)G1
i1=υ2G1
i1=υ3G1
i1=(υ3- υ2)G1
How should the current i3 be written in the circuit?
i3=υ1G3
i3=(υ1- υ2)G3
i3=υ3G3
i3=υ3/G3
i3=(υ3- υ1)G3
Which of the following formulas is true for a noninverting operational amplifier?
휗𝑖𝑛𝑅𝐼 = 3휗0 −휗𝑖𝑛1−푅𝐹
휗𝑖𝑛𝑅𝐼 +8=휗0 −휗𝑖𝑛4−푅𝐹
휗𝑖𝑛𝑅𝐼 = 휗0 −5휗𝑖𝑛1−푅𝐹
휗𝑖𝑛𝑅𝐼 = 휗0 −휗𝑖𝑛𝑅𝐹
휗𝑖𝑛𝑅𝐼 +1=휗0 −휗𝑖𝑛9−푅𝐹
Which of the following sentences is true for an ideal operational amplifier?
The input resistance of an ideal operational amplifier is 15 Ohms.
The input resistance of an ideal operational amplifier is infinitely small.
The input resistance of an ideal operational amplifier is 5 Ohms.
The input resistance of an ideal operational amplifier is infinitely big and no current flows through its inputs.
The input resistance of an ideal operational amplifier is 25 Ohms.
Find the overall voltage gain of the same circuit if R_in = 200 Ω and R_f = 4 kΩ
20000
-200
-20
-2
-6
Calculate the input voltage for this circuit if V_out = –11 V
1,2 V
4 V
9 V
2 V
1,1 V
How is I_1 calculated in the differential amplifier described below?
V_1 −V_a/R_I
V_2 −V_a/R_I
V_1 −V_b/R_I
V_1 −V_a/R_2
V_1 −V_a/R_4
How is I_f calculated in the differential amplifier described below?
V_1 −V_out/R_2
V_a −(V_out)/R_3
V_2 −(V_out)/R_2
V_1 −V_a/R_3
V_2 −V_a/R_4
