Embibe Experts Solutions for Exercise 2: Assignment

Which of the following materials obeys the nature of given voltage-current $(V-I)$ graph under constant temperature?

A charged particle moving in a magnetic field $\overrightarrow{B}=(2\hat{i}-3\hat{j})$ T has an acceleration of $(\hat{i}+b\hat{j})\mathrm{m}/{\mathrm{s}}^2$ at some instant. The value of $b$ is

If two streams, one of electron and other of proton move parallel to each other in opposite direction, then they

A current carrying loop is placed in a uniform magnetic field. The torque acting on it depends on

Two parallel wires carrying current in the same direction

Unit of magnetic moment is _____-${\mathrm{metre}}^2$.

Two parallel current carrying wire having current in opposite direction _____ each other.(repel/attract)

Define magnetic dipole moment of a current loop. Write expression for the magnetic moment when an electron revolves at a speed $v$ around an orbit of radius $r$ in hydrogen atom.