Embibe Experts Solutions for Chapter: Electromagnetic Induction, Exercise 1: West Bengal Board-2019

A horizontal wire $5 \mathrm{m}$ long extending from east to west is falling with a speed of $10 {\mathrm{ms}}^{-1}$ at a right angle to the horizontal component of the earth's magnetic field $0.4\times {10}^{-4}{\mathrm{Wbm}}^{-2}$. Find the instantaneous value of emf induced in the wire.

A horizontal wire $5 \mathrm{m}$ long extending from east to west is falling with a speed of $10 {\mathrm{ms}}^{-1}$ at a right angle to the horizontal component of the earth's magnetic field $0.4\times {10}^{-4}{\mathrm{Wbm}}^{-2}$. Find the direction of instantaneous value of emf induced in the wire.

A horizontal wire $5 \mathrm{m}$ long extending from east to west is falling with a speed of $10 {\mathrm{ms}}^{-1}$ at a right angle to the horizontal component of the earth's magnetic field $0.4\times {10}^{-4}{\mathrm{Wbm}}^{-2}$. Find the instantaneous value of emf induced in the wire. Which end of the wire will be at higher potential?

Derive the expression for the energy stored in an inductor of coefficient of self inductance $\mathrm{L}$ carrying current ${\mathrm{I}}_{0_{}}$

State Lenz's law related to electromagnetic induction.

What is eddy current?

What is meant by "self induction of a coil is $1\mathrm{H}$".

Establish an expression for the self inductance of a solenoid