Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES

Attempt the free practice questions from Exercise 2: EXERCISES with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Exercise 2: EXERCISES with Hints & Solutions

EASY
7th CBSE
IMPORTANT

When does a wire in an electric circuit generate a magnetic field?

MEDIUM
7th CBSE
IMPORTANT

What is an electric circuit? Use symbols and draw a diagram of a circuit having a single cell, a bulb and a switch.

MEDIUM
7th CBSE
IMPORTANT

Explain the importance of a switch in an electric circuit.

MEDIUM
7th CBSE
IMPORTANT

Explain the importance of a fuse in an electric circuit.

MEDIUM
7th CBSE
IMPORTANT

Describe how two cells can be connected in series and in parallel with the help of suitable diagrams.

MEDIUM
7th CBSE
IMPORTANT

Why is the filament of a bulb made of a thin tungsten wire?

MEDIUM
7th CBSE
IMPORTANT

Explain the working of an electric bell.

MEDIUM
7th CBSE
IMPORTANT

Explain with a diagram how a piece of iron can be converted into a temporary magnet.