EASY
10th CBSE
IMPORTANT
Earn 100

What is a compass needle? Give one use of compass needle.

Important Questions on Magnetic Effects of Electric Current

EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 3
Define magnetic field. How does the magnetic field due to magnet change if we move farther away from magnet?
EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 4
What is meant by electromagnetism?
EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 5
A compass needle is kept near a current carrying wire. Will the deflection increase or decrease if magnitude of current is increased and why?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 6
A current through a horizontal power line flows in east to west direction. What is the direction of magnetic field at a point directly below it and directly above it?
EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 7
The magnetic field lines are parallel straight lines inside a current carrying solenoid. What does it mean?
HARD
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 8

Draw magnetic field around a circular loop carrying current in an anti-clockwise direction.

EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 1>Q 9

What is an electromagnet? How does its strength vary if number of turns in the coil are changed?

EASY
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>Progress Check 2>Q 1

An electron enters a magnetic field at right angles to it as shown. What will be the direction of force acting on electron? (Remember that current flows in opposite direction to that of electron)

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