Damaged C.F.L. and fluorescent tubes must be disposed safely as they contain _______________ vapours that are toxic in nature.

Fluorescent tubes are fitted with a choke. The choke coil-

A current through a horizontal power line flows in east to west direction. What will be the direction of magnetic field at a point directly below it when viewed from east end?

What is the current required to light a 60 W incandescent bulb in a domestic supply of 240V?

Why are the tyres of aircrafts made of conducting rubber? 1. So that the charge accumulated on the aircraft in flight, by rubbing the air, can easily be transferred to ground on landing. 2. So that t…

The electric field lines from an isolated positively charged conducting sphere are