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If n resistors with R Ω each as resistance are connected in parallel, then the equivalent resistance of the network is:

A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?

What is the main principle behind the working of an electric motor?  

What is the principle behind the working of a transformer?  

In an AC circuit, voltage and current are given by V = 200 sin(ωt) and I = 10 sin(ωt + π/3). What is the average power consumed?

If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?

The apparent weight of a person in a lift moving downward with uniform acceleration is: 

Fog is an example of –

Find the equivalent resistance when three resistors of 4 Ω, 6 Ω, and 12 Ω are connected in parallel.