MHT CET Physics question
An e.m.f.0.5 V is developed in secondary coil when current in primary coil changes from 4A to 2A in 200 milli second .The mutual inductance of two coil is
Answer: (A)
Solution
H = 50 mH; 100, 25 and 30 mH do not match. Hence the correct option is (a).