HARD
10th CBSE
IMPORTANT
Earn 100

You are given a strong bar magnet and a compass. Describe a method by which the magnetic field lines due to the bar magnet can be drawn.

Important Questions on Magnetic Effect of Electric Current

HARD
10th CBSE
IMPORTANT

What is an electromagnet? How can you make an electromagnet? 

HARD
10th CBSE
IMPORTANT
What is electromagnetic induction? Describe an experiment to demonstrate it.
HARD
10th CBSE
IMPORTANT
What is induced current? Describe two ways of producing an induced current in a coil.
HARD
10th CBSE
IMPORTANT

State Fleming's left-hand rule. Draw a neat diagram showing the different parts of a DC motor. Explain its working.

HARD
10th CBSE
IMPORTANT

What is Fleming's right-hand rule? With a neat diagram explain the working of an AC generator.

HARD
10th CBSE
IMPORTANT
What do you understand by live, neutral and earth wires? Do all the three normally carry electricity?
MEDIUM
10th CBSE
IMPORTANT
What is the function of the earth wire in electric lines? Why is the metallic body of an electric appliance connected to the earth wire?
MEDIUM
10th CBSE
IMPORTANT
What is a short circuit? How does a fuse help in case there is a short circuit?