Electricity - Current, Charge and Power
- Created by: Mjanes
- Created on: 13-02-21 16:54
Other questions in this quiz
2. What is the energy transferred if the voltage is 5 V and the charge is 10 C?
- 25 J
- 25
- 50 J - Whilst you would get a mark for answering 50 you would lose a mark for not giving units with your answer. If you are struggling to calculate an answer to a numerical question, always put a number with the correct units! At least you will get a mark
- 50
3. What is the voltage of an appliance if it uses 200 J per second when supplied with a current of 5 A?
- 30 V
- 10 V
- 40 V
- 20 V
4. Explain what this equation means
- Power = Energy divided by time (watts = kilojoules divided by seconds)
- Power = Time divided by energy (watts = seconds divided by kilojoules)
5. What size of fuse would be required for a 230 V, 500 W heater?
- 3 A
- 5 A
- 13 A
- 1 A
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