An electric iron is marked 20 volts 500W. The units ... - Solved MCQs & Answer

724PhysicsMedium

An electric iron is marked 20 volts 500W. The units consumed by it in using if for 24 hours will be______________?

B12

C1100

D24

Correct answer

B. 12

Explanation

12 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from______________?

To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________?

The scales of temperature are based on two fixed points which are_________________?