A point charge q is situated at a distance r on axis from one end of a thin
A point charge q is situated at a distance r on axis from one end of a thin conductiong rod…
7 years ago
GJ2015
The distance of the closest approach of an alpha particle fired at a nucleus
The distance of the closest approach of an alpha particle fired at a nucleus with kinetic energy K is r₀.…
7 years ago
In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs, when it is connected to a battery.…
7 years ago
Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂ are connected in series. The equivalent…
7 years ago
Number of spectral lines in hydrogen atom is
Number of spectral lines in hydrogen atom is Options (a) 8 (b) 6 (c) 15 (d) ∞ Correct Answer: ∞Explanation:No…
7 years ago
An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor
An alternating voltage given as, V=100√2 sin100t V is applied to a capacitor of 1 μF. The current reading of…
7 years ago
Which gate can be obtained by shorting both the input terminals of a NOR gate?
Which gate can be obtained by shorting both the input terminals of a NOR gate? Options (a) NOT (b) OR…
7 years ago
A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity 5x10⁻⁴Wbm⁻². If the acceleration of…
7 years ago
A plane polarised light is incident normally on a tourmaline plate. Its E vector make
A plane polarised light is incident normally on a tourmaline plate. Its E vector make an angle of 60⁰ with…
7 years ago
A change of 0.04 V takes place between the base and the emitter when an input
A change of 0.04 V takes place between the base and the emitter when an input signal is connected to…
7 years ago