List of top Physics Questions on General Physics asked in PSEB XII

Find the total resistance of a circuit in which three resistances are connected in series.

Calculate the Coulomb’s force between proton and electron separated by a distance of \( 0.8 \times 10^{-15} \) m.

What are the factors which reduce the efficiency of a transformer?

Wheatstone bridge is used to measure:

When the distance between the charges is halved, the force between the charges becomes:

What is the peak value of AC 220 Volt?

With help of labelled diagram, write principle of astronomical telescope and derive expression for magnifying power of an astronomical telescope, when final image is formed at least distance of distinct vision.

Find the coefficient of mutual inductance of a pair of coils if a current of 3 A in one coil causes the flux in the second coil of 1000 turns to change by \( 10^{-4} \, \text{weber} \) in each turn.

What do you mean by impedance of LCR series circuit? Derive an expression for it by using phasor diagram.

Give any two uses of X-rays.

What is an equipotential surface? Show that no work is done in moving a given charge over an equipotential surface.

With a circuit diagram, explain how a meter bridge can be used to determine unknown resistance of a given wire.

Derive an expression for force per unit length between two parallel straight conductors carrying current in the same direction.

What do you mean by quantization of charge?

Define Kirchhoff’s first and second law.

Draw labelled diagram of converting a galvanometer into an ammeter.