Kerala Board Solutions for Chapter: Electromagnetic Induction, Exercise 7: Let us assess

Author:Kerala Board

Kerala Board Physics Solutions for Exercise - Kerala Board Solutions for Chapter: Electromagnetic Induction, Exercise 7: Let us assess

Attempt the free practice questions on Chapter 3: Electromagnetic Induction, Exercise 7: Let us assess with hints and solutions to strengthen your understanding. Physics Standard X Part 1 solutions are prepared by Experienced Embibe Experts.

Questions from Kerala Board Solutions for Chapter: Electromagnetic Induction, Exercise 7: Let us assess with Hints & Solutions

EASY
10th Kerala Board
IMPORTANT

Electromagnetic induction is 

EASY
10th Kerala Board
IMPORTANT

Which is the device used to generate electricity?

MEDIUM
10th Kerala Board
IMPORTANT

Write down the similarities and differences in the structure of an AC generator and a DC generator.

MEDIUM
10th Kerala Board
IMPORTANT

A conductor hung horizontally in the north-south direction is connected to a galvanometer. The conductor is situated in a magnetic field acting in the east-west direction. In which direction should you move the conductor if maximum current is to be induced in the conductor in the north-south direction? Justify your answer.
a) Towards east       b) Downwards
c) Upwards              d) Towards north

HARD
10th Kerala Board
IMPORTANT

What is the role of earthing wire in a household circuit?

MEDIUM
10th Kerala Board
IMPORTANT

Why do we say that metallic devices should be earthed?

MEDIUM
10th Kerala Board
IMPORTANT

An electric heater calibrated 1.5 kW, 230 V is connected to a household branch circuit having 5 A fuse wire and is, made to work. What will happen?

EASY
10th Kerala Board
IMPORTANT

Which are the devices connected in series in a household circuit?