A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
A bar magnet of moment of inertia I is vibrated in a magnetic field of induction 0.4x10⁻⁴ T. The time…
A bar magnet of moment of inertia I is vibrated in a magnetic field of induction 0.4x10⁻⁴ T. The time…
A body of mass 3 kg is under a constant force which cause a displacement s in metres in it,…
A block of wood weighs 10 N and is resting on an inclined plane. The coefficient of friction is 0.7.…
Infinite number of masses, each 1 kg, are placed along the x-axis at x= ±1 m, ±2 m, ±4 m,…
A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30…
A capacitor of capacitance value 1 μF is charged to 30 V and the battery is then disconnected. If it…
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80V. The…
A p-n-p transistor is used in common emitter mode in an amplifier circuit. When base current is changed by an…
Application of a forward bias to a P-N junction Options (a) Widens the depletion region (b) Increases the potential difference…
A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T. The velocity of the conductor is…