June 2, 2020

On:
In: Current Electricity

What is a Potentiometer? A potentiometer is a device which is used to measure the EMF of a cell without drawing any current from it. Hence, a potentiometer gives very accurate results because the effect ofRead More →

On:
In: Magnetism

What is called a Magnetic Force? The force of attraction or repulsion exerted by a pole of magnet on another magnet or a magnetic material is called magnetic force. The magnitude of magnetic force isRead More →