Physics Questions

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

The energy released at the end of digestion is in the form of

The Brownian Motion was discovered by

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 devices helps to maintain a potential difference across a conductor?

What is the upward force exerted by water called?

Knife is an example for

Sound CANNOT travel through