Question

A toroidal coil has 100 turns and carries a current of 0.5 A. The MMF produced by the coil is equal to:-
1. 200
2. 25
3. 50
4. 400

Answer 1

Correct Answer - Option 3 : 50

Concept:

MMF produced by the coil is given as NI 

Where N = Numbers of turn

I = Current flowing through the coil

Application:

Given that,

Current (I) = 0.5 A

Turns (N) = 100

MMF = NI = 100 × 0.5 = 50 Amp-turns