If the magnetic field remains constant but the area of the coil now changes thrice what it was previously, what will the new EMF be ? |
It will become 9 times It will become 1/9 times It will become 3 times It will become 1/3 times |
It will become 3 times |
EMF ∝ dΦ ∝ A ; A : Area of the coil. |