Questions

A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes

A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes through the coil. When it…

A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range

A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range is to be extended to 1-500,…

The de-broglie wavelength of an electron in 4th orbit is

The de-broglie wavelength of an electron in 4th orbit is ( where, r= radius of 1st orbit) Options (a) 2πr…

A gas of monoatomic hydrogen is bombarded with a stream of electrons

A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been accelerated from rest through a…

An atom bomb works on the principle of

An atom bomb works on the principle of Options (a) nuclear fission (b) nuclear fusion (c) α-decay (d) β-decay Correct…

A galvanometer of resistance 50Ω is connected to a battery of 3 V along with a resistance

A galvanometer of resistance 50Ω is connected to a battery of 3 V along with a resistance of 2950 Ω…

A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time

A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time will potential drop…

The physical quantities not having same dimensions are

The physical quantities not having same dimensions are Options (a) Speed and (μ₀ε₀)⁻¹/₂ (b) Torque and work (c) Momentum and…

The unit of reactance is

The unit of reactance is Options (a) ohm (b) volt (c) mho (d) newton Correct Answer: ohmExplanation:No explanation available. Be…

A neutron is moving with a velocity u.It collides head on and elastically with an atom

A neutron is moving with a velocity u.It collides head on and elastically with an atom of mass number A.…