Login
Login
Login
Register

Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Power (GCSE Physics)

The following is a GCSE Physics test covering 'Power' from the broader topic Energy. The test is geared towards the AQA exam board style syllabus.
Start Test
Incorrect: 0
Correct: 0
Question 1
...
Congratulations - you have completed the test!
Your final score was

Below a typical questions that will be covered in this test. You final score will be logged on your account

A streetlight rated at 80 W is switched on for 8 hours nightly. What is the monthly energy consumption (30 days) in kWh?
Why is efficiency always less than or equal to 1 (or 100%) for real electrical devices?
Why do power companies transmit electricity at high voltage over long distances?
A 12 V battery supplies 4 A to a circuit. What is the power supplied by the battery?
Which equation correctly links energy (E), power (P) and time (t)?
Which of the following correctly converts 1.2 kW into watts?
Which of the following best describes why reducing current in transmission lines reduces energy loss?
A kettle is 90% efficient. It requires 3.6 × 10^5 J to boil. How much energy must the mains supply provide?
Which equation gives electrical energy transfer E when a charge Q moves through potential difference V?
A device that transfers energy per unit time is defined as which of the following?
A resistor has R = 10 O and a current of 2 A flows. What is the power dissipated as heat?