Physics Questions

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

Which of the following has the same unit as energy?

One step in the production of hydroelectric power involves _____.

What of the given below devices converts chemical energy to electrical energy?

Sound CANNOT travel through

Multiplication of equivalent weight and valency of an element is equal to ______.

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be