textbook exercises

Author:Tamil Nadu Board

Tamil Nadu Board Science Solutions for Exercise - textbook exercises

Simple step-by-step solutions to textbook exercises questions of Magnetism and Electromagnetism from Science Standard 9. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from textbook exercises with Hints & Solutions

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q v

Draw and label the diagram of an AC generator.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q v

State the advantages of AC over DC.

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q v

Differentiate step up and step down transformer.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q v

A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a step up or step down transformer? Give reason.

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q v

State Faraday’s laws of electromagnetic induction.

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q vi

Explain the principle, construction and working of a DC motor.

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q vi

Explain two types of transformer.

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 5 - Magnetism and Electromagnetism>textbook exercises>Q vi

Draw a neat diagram of an AC generator and explain its working.