Worksheets002200 KIA
Total questions: 30
Worksheet time: 15mins
What is the symbol of resistance?
V
I
R
P
Ohm's Law
Resistance = Voltage ÷ Current
Voltage = Current ÷ Resistance
Current = Resistance ÷ Voltage
Resistance = Current ÷ Voltage
what is the total resistance?
2.24 kΩ
22.4 kΩ
2.24 Ω
22.4 Ω
Kirchhoff’s voltage law states that ______
The sum of the voltage drops around a closed circuit is equal to the supply voltage (Vs)
The sum of the current drops around a closed circuit is equal to the supply voltage (Vs)
The algebraic sum of the currents entering at a point in a circuit is equal to the algebraic sum of currents leaving the point.
The algebraic sum of the voltage entering at a point in a circuit is equal to the algebraic sum of current leaving the point.
If resistors are connected in series, the total resistance (Rt) ________.
Decreases
Increases
Stays the same
Doubles in value
What is the formula to determine total resistance (Rt)?
1/Rt =1/ R1 + 1/R2 + 1/R3.
1/R1 = 1/(Rt + R2 + R3).
Rt =R1 + R2 + R3.
1/Rt =1/ (R1 + R2 + R3).
What is symbol of current?
V
I
R
P
What will the current value be flowing in two different resistors (R1 & R2) connected in series?
The same current value will flow in each resistor (R1 & R2)
Different current value will flow in each resistor (R1 & R2)
Half the current value will flow in resistor R1
Doubles the current value flow in resistor R2
The figure shows the ______
Kirchhoff’s voltage law state
Kirchhoff’s current law state
The Ohms law
The Lanzs law
Resistors are connected in parallel.
What will be the total circuit resistance value (Rt)?
Decreases
Increases in value
does not change
will be zero
what is CORRECT about the voltage drop across R1, R2 and R3?
Vs= V1 + V2 + V3
V1= Vs + V2 + V3
V2= V1 + Vs + V3
V3= V1 + V2 + Vs
What will the voltage value be across two different resistors (R1 & R2) connected in series?
The same voltage value across each resistor (R1 & R2)
Different voltage value across each resistor (R1 & R2)
Half the voltage value across resistor R2
Doubles the voltage value across resistor R1
What does Kirchhoff’s current law states?
The sum of the voltage drops around a closed circuit is equal to the supply voltage (Vs)
The sum of the current drops around a closed circuit is equal to the supply voltage (Vs)
The algebraic sum of the currents entering at a point in a circuit is equal to the algebraic sum of currents leaving the point.
The algebraic sum of the voltage entering at a point in a circuit is equal to the algebraic sum of current leaving the point.
How are the resistors connected in fig.4?
In series
In parallel
Combination
In circle
Two different resistors (R1 and R2) are connected in parallel.
What will be the voltage across the resistors?
The same voltage value across each resistor (R1 & R2)
Different voltage value across each resistor (R1 & R2)
Half the voltage value across resistor R2
Doubles the voltage value across resistor R1
to minimize the number of zero needing to be displayed, ______ are used.
Prefixes
Voltages
Currents
Kill ohms
What is the current through R1?
3.75mA
3.75A
266.66A
1.6mA
What is the unit of a measured voltage?
Volt
Ampere
Ohm
Potential
if R1= 4.4kΩ, R2= 2.2kΩ and R3= 50Ω, what is the total circuit resistance (RT)?
6.65KΩ
665Ω
650KΩ
380KΩ
what is the total resistance value of the circuit?
Rt = R1 + R2 + R3.
R1 = Rt + R2 + R3.
Rt = R1 + R2 + V1.
R1 = V1 + R2 + R3.
The circuit shown is a _____
Basic D.C circuit
Basic ac A.C circuit
Basic voltage circuit
Basic current circuit
What is the unit of a measured current?
Volt
Ampere
Ohm
Potential
What is the definition of ohms law?
Voltage = Current x Resistance
Current = Resistance ÷ Voltage
Voltage= Resistance ÷ Current
Resistance = Current ÷ Voltage
What is the current through R2?
3.75mA
3.75A
1.6A
1.6mA
Find "R"
4Ω
25Ω
0.25Ω
25A
What is the abbreviation of current?
V
A
R
P
what is the current flowing through R1, R2 and R3 equal to?
It = I1+ I2+ I3
I1= It+ I2+ I3
I2= 11+ It+ I3
I3= I1+ I2+ It
what is the voltage across R1, R2 and R3 be?
The voltage will be the same though out the circuit.
The voltage is smaller across R1 then R2 and R3.
The voltage will be different though out the circuit.
The voltage is bigger across R1 then R2 and R3.
The figure shows the ______
Kirchhoff’s voltage law
Kirchhoff’s current
The Ohms law
The Lanz law
A current (I) flows through resistor R3.
What is the voltage drop in R3?
V3
V2
Vs
V1
