Physicsmedium · Past Paper
What is the resistance of an electric toaster rated 1000W at 250V?
A0.25 Ohms
B62.5 Ohms
C250 Ohms
D4 Ohms
✓ Correct Answer: B — 62.5 Ohms
Using R = V^2 / P, we get 250^2 / 1000 = 62500 / 1000 = 62.5 Ohms.
Share this question
More from Physics
- If a body starts from rest and travels 120m in the 8th second, what is its acceleration?
- Change in velocity per unit time is:
- Which of the following describes the 'Lateral Displacement' of light?
- The center of the reflecting surface of a spherical mirror is called:
- What is the effect of force on a rigid body?