Consider two windings in a transformer wrapped around as shown in the figure. If the terminals p and q are connected through a mechanism to a battery such that current can flow in both directions then determine the direction of current induced in resistor R for the given conditions:

i) increasing flow of current in winding P from p to q. 

ii) decreasing flow of current in winding P from q to p. 

iii) increasing flow of current from q to p in winding P.

Consider two conductors shaped like a right-angled bend that are in contact. One of the conductors remains stationary, while the other conductor moves at a speed of 5.0 m/s in a magnetic field of strength 0.25 T directed into the plane of the page. Initially, the corners of the two conductors coincide, resulting in a zero surface area between them. Determine the direction of the induced current when the conductor moves.

Justify with proper reasons the direction of current induced in the metal ring placed in a uniform magnetic field (B) directed out of the page for the following three cases i) B is increasing. ii) B is decreasing. iii) B is constant.

The figure depicts a metallic ring placed in a uniform magnetic field directed into the plane of the figure. The ring has a radius of 0.0350 m and a resistance of 0.220 Ω. The magnetic field is increasing at a rate of 0.540 T/s with an initial value of 6.00 T. Determine the direction of the current induced in the ring.