Mukesh Kumar Gandhi Solutions for Chapter: Electricity and Magnetism, Exercise 2: Self Evaluation Test

A magnet  $AB$ is placed near an iron bar X. Name the poles at  $A$ and $B$. How do you draw your conclusion?

Name one practical use of soft iron and steel each based on its magnetic properties.

State uses of the Cell.

State uses of the Galvanometer.

When the starter motor of a car is switched on for $1.7 \mathrm{s}$, a charge of $34 \mathrm{C}$ passes through the coil of the motor. Calculate the current in ampere through the motor.

Define magnetic pole and magnetic equator. Also state the nature of magnetic field lines at magnetic poles and magnetic equator.

A charge of $0.5 \mathrm{C}$ passes through a cross-section of a conductor in $5 \mathrm{s}$ .  $\mathrm{A}\times {10}^{15}$ electrons will flow in the given time interval, if the charge on one electron is $1.6\times {10}^{-19} \mathrm{C}$. Magnitude of $\mathrm{A}$ is 

A current of $0.5 \mathrm{C}$ passes through a cross-section of a conductor in $5 \mathrm{s}$. Magnitude of current (in ampere) through the conductor is