MCQ
Magnetic dipole moment is a vector quantity directed from:
- ASouth pole to north pole.
- BNorth pole to south pole.
- CEast to west.
- DWest to east.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Consider four circuits shown in the figure below. In which circuit power dissipated is greatest (Neglect the internal resistance of the power supply)
|
(a) |
(b) |
(c) |
(d) |
The angle which subtends the periphery of the spherical mirror at the centre of curvature is called:

Half life of
is 5 days. If we start with 50,000 atoms of this isotope, the number of atoms left over after 10 days is
|
(a) 5,000 |
(b) 25,000 |
(c) 12,500 |
(d) 20,000 |
The combination of gates shown below produces
| (a) AND gate | (b) XOR gate | (c) NOR gate | (d) NAND gate |