Embibe Experts Solutions for Exercise 2: Assignment Set-1

Radius of a circular coil is given by $\mathrm{R}={\mathrm{R}}_0(1+\mathrm{\alpha t}).$ If a constant magnetic field ${\mathrm{B}}_0$ exists perpendicular to the coil

Find the emf induced in the coil as function of time.

Radius of a circular coil is given by $\mathrm{R}={\mathrm{R}}_0(1+\mathrm{\alpha t}).$ If a constant magnetic field ${\mathrm{B}}_0$ exists perpendicular to the coil

If the resistance of circular coil is $\mathrm{r}$, find the charge flown in the coil during the time interval from $\mathrm{t}=0 \mathrm{s}$ to $\mathrm{t}=2 \mathrm{s}.$

What are eddy current? How are they produced? How are they minimised? Describe some advantages of eddy currents?

Refer to the figure, the conductor $\mathrm{MN}$ is made to slide with constant velocity $\mathrm{v}$ in region of perpendicular uniform magnetic field. Find

The induced current in the loop, if total resistance of circuit is $\mathrm{R}.$

Refer to the figure, the conductor $MN$ is made to slide with constant velocity $v$ in region of perpendicular uniform magnetic field. Find

Force of external agents to pull the conductor with constant velocity $v.$

Refer to the figure, the conductor $MN$ is made to slide with constant velocity $v$ in region of perpendicular uniform magnetic field. Find

The power developed by the external agent to pull the conductor.

Refer to the figure, the conductor $MN$ is made to slide with constant velocity $v$ in region of perpendicular uniform magnetic field. Find

Verify the conservation of energy in the loop.

Refer to the question $\left(31\right).$ If the conductor $\mathrm{MN}$ is given velocity ${\mathrm{v}}_0$ at $\mathrm{t}=0 \mathrm{s}$ and now no external force acts upon the conductor, find the velocity of the conductor at $\mathrm{t}=\mathrm{t} \mathrm{s}.$