Download Aptitude Crack
img not found img not found

Magnetism and Electromagnetism - Engineering

Q1:

What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current?

A 2,400 At

B 240 At

C 24 At

D 2.4 At

ANS:C - 24 At

The mmf of the wire is the product of current and no of turns.