Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is 1.2×10−4 weber and with B it is 9.0×10−5 weber . The mutual inductance of the system is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

2×10−5 henry

3×10−5 henry

4×10−5 henry

6×10−5 henry

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

N2ϕ2=Mi1⇒9×10−5=M×3⇒M=3×10−5H

Watch 3-min video & get full concept clarity