MEDIUM
7th ICSE
IMPORTANT
Earn 100

Distinguish between conductors and insulators of electricity. Give two examples of each.

Important Questions on Electricity and Magnetism

EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 1
An electric bell uses an electromagnet.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 1
Wool is a conductor of electricity.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 30
Select conductors and insulators from the following:
Glass, silver, copper, wood, paper, pure water, impure water, aluminium, iron, leather, plastic, steel, human body and ebonite.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 31

The following diagram shows four circuits A, B, C and D. Each circuit has a cell and a torch bulb. Name the circuits in which the bulb will glow? Give reason to your answer

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EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 32

The diagram given below shows a bulb connected with a cell having terminals A and B. Mark the direction of current in the bulb.

MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 33
State the function of each of the following in an electric circuit and draw its symbolic representation: (1) Switch and (2) Cell.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 34
Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to indicate the direction of flow of current.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 36
State two precautions that you must take when switching on an electric circuit.