MEDIUM
7th ICSE
IMPORTANT
Earn 100

Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract?

Important Questions on Electricity and Magnetism

EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 7
“Poles exist in pair”. Comment on this statement?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 8
What is a magnetic compass? State its use.
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 9
Explain the meaning of the term magnetic field?
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 10
What is an electromagnet?
EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 11
Name the material of an electromagnet?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 12
Draw a labelled diagram to make a soft iron bar as an electromagnet. Describe in steps the procedure ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 13
You are given a U shaped soft iron piece, insulated copper wire and a battery. Draw a circuit diagram to make a horse shoe electromagnet ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 7 - Electricity and Magnetism>TEST YOURSELF>Q 14
Name two factors on which the strength of magnetic field of an electromagnet depends?