Question

Two iron cored coaxial solenoids mutual inductance of 3.0 H when the core is remove the mutual inductance become 1.5 mH. What is the relative permeability of the core used ?

Please answer it faster

Answer 1

Just a young gun with the quick fuse

I was uptight, wanna let loose

I was dreaming of bigger things

And wanna leave my own life behind

Not a yes sir, not a follower

Fit the box, fit the mold

Have a seat in the foyer, take a number

I was lightning before the thunder

Thunder, thunder

Thunder, thun', thunder

Thun-thun-thunder, thunder, thunder

Thunder, thun', thunder

Thun-thun-thunder, thunder

Thunder, feel the thunder

Lightning then the thunder

Thunder, feel the thunder

Lightning then the thunder

Thunder, thunder

Thunder

Kids were laughing in my classes

While I was scheming for the masses