State Fleming’s right-hand rule.

Important Questions on Magnetic Effects of Electric Current

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 8

What is the use of soft iron core in a Solenoid?

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 9

What is the difference between direct and alternating current? Write one advantage of alternating current.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 10

Briefly explain two methods of producing induced emf.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 11

What is meant by short-circuiting and overloading?

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 12

State the energy conversion taking place in electric generator

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 12

State the energy conversion taking place in electric motor.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 13

List any four properties of magnetic lines.

EASY

10th CBSE

IMPORTANT

SCIENCE PHYSICS>Chapter 4 - Magnetic Effects of Electric Current>MOCK TEST QUESTION PAPER>Q 14

Give one advantage of electromagnet over permanent magnet. State one use of it.