Embibe Experts Solutions for Chapter: Electromagnetic Induction, Exercise 1: Uttar Pradesh Board-2018

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Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Electromagnetic Induction, Exercise 1: Uttar Pradesh Board-2018

Attempt the free practice questions on Chapter 6: Electromagnetic Induction, Exercise 1: Uttar Pradesh Board-2018 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Electromagnetic Induction, Exercise 1: Uttar Pradesh Board-2018 with Hints & Solutions

EASY
12th Uttar Pradesh Board
IMPORTANT

Define coefficient of self-inductance.

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

Write down the definition and unit of coefficient of mutual induction. Derive the formula of mutual inductance between two plane coils.

EASY
12th Uttar Pradesh Board
IMPORTANT

Write the Faraday's laws of electromagnetic induction. A copper rod of length l is rotating about its one end with angular velocity ω in a plane perpendicular to a uniform magnetic field intensity B. Prove that induced electromotive force between the ends of rod will be e=12ωBl2.

EASY
12th Uttar Pradesh Board
IMPORTANT

In the given figure, the value of current is increasing in the wire AB from A to B. If there is any induced current in the loop, then what should be its direction?

Question Image

EASY
12th Uttar Pradesh Board
IMPORTANT

The current in an inductor is given by i=5+16t, where i and t are in ampere and second respectively. The induced emf is 10 mV. Find out i self-inductance and ii the energy stored in the inductor at t=1 second.

EASY
12th Uttar Pradesh Board
IMPORTANT

Define 1 henry of self inductance.

MEDIUM
12th Uttar Pradesh Board
IMPORTANT

Define coefficient of mutual induction. A circular coil X of radius 0.02 m and 100 turns is placed coaxially and concentric with another coil Y of radius 0.2 m, having 1000 turns. Find mutual inductance of the coils, when current in the coil Y changes from 7A to 5A in 4×10-2 s. What is the e.m.f. induced in the coil X ?