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Question Practice

Which of the following best describes the strength of a magnetic field?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 10
Science
Science
Magnetic Effects of Electric Current
Question Bank

Which of the following best de...

Single Answer MCQ
Q-00040497

Which of the following best describes the strength of a magnetic field?

1

The number of compass needles

2

The density of field lines

3

The length of the magnet

4

The size of the magnet

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Q1.

What is the direction of the magnetic field taken to be in the context of a compass needle?

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Q2.

How are magnetic field lines represented around a bar magnet?

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Q3.

Who accidentally discovered that a compass needle gets deflected when an electric current passes through a metallic wire nearby?

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Q4.

What is the unit of magnetic field strength named after Hans Christian Oersted?

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