Current Electricity — Physics STD 12 Science — Question

Show by a graph, how inductive reactance varies with frequency of alternating source?

Are electromagnetic waves transverse?

Choose the correct alternative from the clues given at the end of the each statement:
An atom has a nearly continuous mass distribution in a .......... but has a highly non-uniform mass distribution in .......... (Thomson’s model/ Rutherford’s model.)

What is the geometrical shape of equipotential surfaces due to a single isolated charge?

What is the function of step up transformer?

Name charge carriers in p-type semiconductor.

Define the term 'Mobility' of charge carriers in a conductor. Write its S.I. unit.

What is the relation between peak value and root mean square value of alternating voltage?

There is force of repulsion between two parallel current carrying conductors. What idea we get about direction of flow of current?

Is it possible that the terminal potential difference across the cell be zero? If yes, state the condition.