A rectangular loop carrying a current i is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in the plane of the loop. If a steady current I is established in wire as shown in figure, the loop will
| (a) Rotate about an axis parallel to the wire |
| (b) Move away from the wire or towards right |
| (c) Move towards the wire |
| (d) Remain stationary |
(c) Move towards the wire
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The binding energy of nucleus is a measure of its
| (a) Charge | (b) Mass | (c) Momentum | (d) Stability |
A man is looking at a small object placed at his near point. Without altering the position of his eye or the object, he puts a simple microscope of magnifying power 5X before his eyes. The angular magnification achieved is:
A 10 pF capacitor is connected to a 50 V battery. How much electrostatic energy is stored in the capacitor
|
(a) 1.25 |
(b) 2.5 |
(c) 3.5 |
(d) 4.5 |
