WorksheetsElectrical FE Study Session 3
Total questions: 10
Worksheet time: 30mins
Name
Class
Date
1.
Given the values below, what is nearest the total power dissipated for this circuit?
a)
1.1 W
b)
3.0 W
c)
7.1 W
d)
21 W
2.
In the circuit shown, find the power absorbed by the 50Ω resistor.
a)
1180.7 W
b)
2500 W
c)
1800 W
d)
2112.5 W
3.
If the period of the given waveform is T=10s then determine the effective value for the voltage function.
a)
0.850 V
b)
1.345 V
c)
2.345 V
d)
3.500 V
4.
Calculate the voltage across R2 in the given circuit.
a)
0.96 V
b)
1.85 V
c)
2.25 V
d)
4.33 V
5.
Given the values below, what is nearest the current that flows across the battery, V1?
a)
0.04 A
b)
0.08 A
c)
0.09 A
d)
0.11 A
6.
What is nearest the frequency of a sinusoidal wave of the form E(t)=E0sin(107t+2π) ?
a)
1.6 MHz
b)
3.2 MHz
c)
63 MHz
d)
32 MHz
7.
Determine I2 in the network given.
V1=48V ; V2=96VR1=16Ω ; R2=24Ω ; R3=48Ω
Determine I2 in the network given.
V1=48V ; V2=96VR1=16Ω ; R2=24Ω ; R3=48Ω
a)
2.5 A
b)
3 A
c)
-2.5 A
d)
-5 A
8.
For the given periodic voltage waveform, determine the rms value.
a)
7.07 V
b)
5.00 V
c)
3.54 V
d)
3.16 V
9.
Find the series impedance at f=300kHz.
C=15pF ; L=20mH ; R=500Ω
a)
2386∠77.8° Ω
b)
1150∠64.2° Ω
c)
11620∠27.4° Ω
d)
500∠90.0° Ω
10.
Find the Thevenin equivalent of the circuit shown:
a)
Vth= 5V & Rth= 1.5kΩ
b)
Vth= 20V & Rth= 15.732Ω
c)
Vth= 15V & Rth= 25.203Ω
d)
Vth= 0V & Rth= 47.223Ω
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