The brightness of the bulb does not change because there is no effect of inductance of the solenoid in a d.c. circuit. Class 12 Physics NCERT Sample Paper Question Session 2024-2025.
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Zero, because force and displacement are in mutually perpendicular directions. Class 12 Physics NCERT Sample Paper Question Session 2024-2025.
Magnetic dipole moment. Class 12 Physics NCERT Sample Paper Question Session 2024-2025.
In a p-n junction, under equilibrium, the drift current and the diffusion current are equal in magnitude but mutually opposite in direction and thus balance each other. So net current is zero. Class 12 Physics NCERT Sample Paper Question Session ...
Generally alloys are preferred for making standard resistors on account of their high resistivity and extremely low value of temperature coefficient of resistivity. Class 12 Physics NCERT Sample Paper Question Session 2024-2025.