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10th CBSE
IMPORTANT
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State the factors on which the strength of an electromagnet depends. How does it depend on these factors?

Important Questions on Magnetic Effect of Electric Current

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Long Answer Type Questions>Q 23
Write some of the important uses of electromagnets.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 24
The strength of the magnetic field between the poles of an electromagnet would be unchanged if:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 25

The diagram given below represents magnetic field caused by a current-carrying conductor which is:

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EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 26
The magnetic field inside a long straight solenoid carrying current:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 27
Which of the following correctly describes the magnetic field near a long straight wire?
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 28
The north-south polarities of an electromagnet can be found easily by using:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 29
The direction of current in the coil at one end of an electromagnet is clockwise. This end of the electromagnet will be:
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10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Multiple Choice Questions (MCQs)>Q 30
If the direction of electric current in a solenoid when viewed from a particular end is anticlockwise, then this end of solenoid will be: