E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Electric Currents and Circuits, Exercise 2: Exercises

Author:E Doris James, Vandana Tirath, Anton Siromani & Kiran Banerji

E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Electric Currents and Circuits, Exercise 2: Exercises

Attempt the practice questions on Chapter 14: Electric Currents and Circuits, Exercise 2: Exercises with hints and solutions to strengthen your understanding. New Science Ahead solutions are prepared by Experienced Embibe Experts.

Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Electric Currents and Circuits, Exercise 2: Exercises with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Which of these is not a part of a circuit?

EASY
7th CBSE
IMPORTANT

Based on which of the following effects of current does an electric fuse work?

EASY
7th CBSE
IMPORTANT

Heat produced in a wire due to current flowing through it is not dependent on _____.

EASY
7th CBSE
IMPORTANT

Which of these uses the heating effects of electricity?

(i) electric bell

(ii) electric fuse

(iii) MP3 player

(iv) electric bulb

EASY
7th CBSE
IMPORTANT

Which of the following has a heating element with a low melting point?

MEDIUM
7th CBSE
IMPORTANT

A solenoid carrying a current behaves like a/an _____.

EASY
7th CBSE
IMPORTANT

The electric bell has a/an _____.

EASY
7th CBSE
IMPORTANT

Which of these are not properties of electromagnets?

(i) An increase in current increases its strength.

(ii) They are permanent magnets.

(iii) They remain magnetised even after the current is switched off.

(iv) They are of varying shapes and sizes.