GCSE Electrical Power Quiz
Authored by Shawn Pernasilici
Physics
10th Grade
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating power?
Power = Mass x Acceleration
Power = Force x Distance
Power = Work / Time
Power = Voltage / Current
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a circuit has a resistance of 10 ohms and a current of 2A, what is the power dissipated in the circuit?
The power dissipated in the circuit is 20 watts.
The power dissipated in the circuit is 5 watts.
The power dissipated in the circuit is 15 watts.
The power dissipated in the circuit is 40 watts.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of power?
Watt
Ohm
Ampere
Volt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A motor has a power output of 500W and operates at a voltage of 240V. What is the current drawn by the motor?
10A
0.5A
5.12A
2.08A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the power consumption of a device with a resistance of 50 ohms and a current of 4A?
The power consumption of the device is 200 watts.
The power consumption of the device is 400 watts.
The power consumption of the device is 1000 watts.
The power consumption of the device is 800 watts.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between power, voltage, and current in an electrical circuit?
P = V * I
P = V - I
P = V / I
P = V + I
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a circuit has a power of 400W and a current of 10A, what is the voltage across the circuit?
5V
20V
100V
40V
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