Physicseasy · Past Paper
Which of these devices converts mechanical energy into electrical energy?
AElectric Motor
BGenerator
CBattery
DHeater
✓ Correct Answer: B — Generator
A generator (or dynamo) uses mechanical rotation to produce electricity.
Share this question
More from Physics
- Which of the following materials has a negative temperature coefficient of resistance?
- A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of distances in t-th and (t+1)-th seconds is 100m, then u + at is:
- An object travels 10m North and then 10m East. What is the magnitude of its displacement?
- A body falls freely under gravity. Its acceleration is:
- A solenoid of length 0.5m has 500 turns. If 2A current flows, calculate the magnetic field strength (take μ₀ = 4π x 10^-7 T m/A).