If the magnet is moved towards the coil, the flux through the coil increases; while if the magnet is moved away from the coil, the tlux decreases. ... is the induced e.m.f. Second Law : The direction of induced e.m.f. or current is such as to oppose the change that produced it. ... Problem 1. A coil has 150 loops of wire and has a cross sectional area of 0.75 cm2. Find the induced e.m.f. in the coil if the fieldanbsp;...
|Title||:||Electricity, Magnetism and Electromagnetic Theory|
|Author||:||Dr. R. K. Agrawal, Dr. Garima Jain, Dr. Rekha Sharma|
|Publisher||:||Krishna Prakashan Media -|