Question

Acoil ie placed in a constant and uniform magnetic field induction is 10-3 wb per m square acting normal to the plane of the coil . if the radius of the coil decrease steadily at the rate of 10 ki power minus 2 metre per second , what will be the radius of the coil when the induced emf in the 1 micro volt ​

Answer 1

Answer:

Acoil ie placed in a constant and uniform magnetic field induction is 10-3 wb per m square acting normal to the plane of the coil . if the radius of the coil decrease steadily at the rate of 10 ki power minus 2 metre per second , what will be the radius of the coil when the induced emf in the 1 micro volt

Answer 2

Explanation:

use ,

|e|= 2πRB×dR/dt

and then solve for it