MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw magnetic field lines produced around a current carrying straight conductor passing through a cardboard. Name, state and apply the rule to mark the direction of these field lines.

Important Questions on Magnetic Effects of Electric Current
EASY
10th CBSE
IMPORTANT
How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the straight wire carrying constant current? Justify your answer.

EASY
10th CBSE
IMPORTANT
If instead of electron a neutron enters a field, what will be its direction of motion? Give reasons for your answer.

MEDIUM
10th CBSE
IMPORTANT
What is the principle of an electric generator?

MEDIUM
10th CBSE
IMPORTANT
Two fuse wires of same length are rated and . Which of the two fuse wires is thicker and why?

MEDIUM
10th CBSE
IMPORTANT
Explain why the direction of the induced current in the coil of an AC generator changes after every half revolution of the coil.

EASY
10th CBSE
IMPORTANT
A student fixes a sheet of white paper on a drawing board. He places a bar magnet in the centre of it. He sprinkles some iron filings uniformly around the bar magnet. Then he taps the board gently and observes that the iron filings arrange themselves in a particular pattern. Why do the iron filings arrange in a pattern?

EASY
10th CBSE
IMPORTANT
A student fixes a sheet of white paper on a drawing board. He places a bar magnet in the centre of it. He sprinkles some iron filings uniformly around the bar magnet. Then he taps the board gently and observes that the iron filings arrange themselves in a particular pattern. What does the crowding of iron filings at the end of the magnet indicate?

EASY
10th CBSE
IMPORTANT
A student fixes a sheet of white paper on a drawing board. He places a bar magnet in the centre of it. He sprinkles some iron filings uniformly around the bar magnet. Then he taps the board gently and observes that the iron filings arrange themselves in a particular pattern. What does the lines along which the iron filings align represent?
