Download Aptitude Crack
img not found img not found

Magnetism and Electromagnetism

Q1: A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will

A increase

B decrease

C remain constant

D be excessive

ANS:B - decrease

According to Faraday's 2nd law induced emf is directly proportional to the n*d(phi)/dt. So if n is decreased emf is decreased.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.