Multiple choice general knowledge science & technology

Many houses have an electricity meter that is read so that the cost of the electricity used by the customer can be calculated. What does the electric meter record?

  1. charge

  2. energy used

  3. power

  4. current
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Electricity meters measure the total energy consumed by a household, typically in kilowatt-hours (kWh). This is then used to calculate the cost. They do not measure charge (coulombs), power (watts), or current (amps) directly - these are instantaneous values.

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