MEDIUM
7th ICSE
IMPORTANT
Earn 100

What is declination? Draw a diagram to show the angle between the declination and true direction of geographic north.

Important Questions on Electricity and Magnetism

EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 21
Define the term current.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 22
Name four appliances which work using electricity?
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 23
Name two sources of electricity.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 24
What is a battery?
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 25
What is an electric circuit ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 26
Describe an experiment to show that electricity flows only if the circuit is complete and it does not flow if the circuit is incomplete.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 27
You are provided with a torch bulb, a cell and two plastic coated metal wires. Draw a diagram to show a complete circuit to light the bulb.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 28

In which of the following case the bulb will glow:

  1. Only one terminal of a cell is joined with a metal wire to one terminal of the bulb.

  2. Both terminals of the bulb are joined with two metal wires to one terminal of the cell.

  3. One terminal of the cell is joined to one terminal of the bulb and other terminal of the cell to the other terminal of the bulb.