Find the value of a capacitor with voltage 5V and 30C.

Under which conditions is work done

Which of the following operates based on magnetic effect of electric current?

When a bus is accelerating, it must be

The friction due to air mass can be reduced by

When a charged ebonite rod is brought near a charged glass rod, there will be

The stress experienced by a wire of diameter yπ m loaded by a weight y2 N is

The mechanical advantage of the machine shown above

Rainbow is formed when sunlight undergoes