The escape velocity of a body from earth’s surface is Ve. The escape velocity
The escape velocity of a body from earth's surface is Ve. The escape velocity of the same body from a…
8 years ago
Questions
A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite
A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite with orbital radius…
8 years ago
A cylindrical capacitors has charge Q and length L. If both the charge and length
A cylindrical capacitors has charge Q and length L. If both the charge and length of the capacitors are doubled,…
8 years ago
A capacitor having a capacity of 2 μF is charged to 200V and then the plates
A capacitor having a capacity of 2 μF is charged to 200V and then the plates of the capacitor are…
8 years ago
A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz
A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz for the amplitude modulation. The value…
8 years ago
A common emitter amplifier is designed with n-p-n transistor (α=0.99).
A common emitter amplifier is designed with n-p-n transistor (α=0.99). The input impedence is 1kΩ and load is 10kΩ. The…
8 years ago
A horizontal straight conductor kept in north-south direction falls under gravity. Then
A horizontal straight conductor kept in north-south direction falls under gravity. Then Options (a) No e.m.f. is induced along the…
8 years ago
A coil of N turns and mean cross-sectional area A is rotating with uniform angular
A coil of N turns and mean cross-sectional area A is rotating with uniform angular speed ω about an axis…
8 years ago
Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they
Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they are in another energy level, n=n₂.…
8 years ago
In a laser tube, all the photons
In a laser tube, all the photons Options (a) have same energy (b) have same wavelength (c) move in same…
8 years ago