K K Gupta and Stalin Malhotra Solutions for Chapter: Electric Current and its Effects, Exercise 1: Quiz time

Author:K K Gupta & Stalin Malhotra

K K Gupta Science Solutions for Exercise - K K Gupta and Stalin Malhotra Solutions for Chapter: Electric Current and its Effects, Exercise 1: Quiz time

Attempt the free practice questions on Chapter 14: Electric Current and its Effects, Exercise 1: Quiz time with hints and solutions to strengthen your understanding. Frank Everyday Science solutions are prepared by Experienced Embibe Experts.

Questions from K K Gupta and Stalin Malhotra Solutions for Chapter: Electric Current and its Effects, Exercise 1: Quiz time with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Substances that allow electric current to pass through them _____.

EASY
7th CBSE
IMPORTANT

Name the following device:
A combination of two or more cells.

EASY
7th CBSE
IMPORTANT

Give one word for the following:
A material used to make switches.

EASY
7th CBSE
IMPORTANT

Name the material used to make the filament of the electric bulb.

EASY
7th CBSE
IMPORTANT

An electromagnet does not attract a piece of iron.

MEDIUM
7th CBSE
IMPORTANT

An insulated wire is used in an electromagnet.

MEDIUM
7th CBSE
IMPORTANT

An iron rod in-between the windings of a solenoid strengthens its magnetic field.

EASY
7th CBSE
IMPORTANT

Audio and video tapes work on the principle of magnetism.