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10th CBSE
IMPORTANT
Earn 100

How is the direction of magnetic field at a point determined?

Important Questions on Magnetic Effects of Electric Current

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10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 8
Describe an activity to demonstrate the direction of the magnetic field generated around a current carrying conductor.
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10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 8
What is the direction of magnetic field at the centre of current carrying circular loop?
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10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 9
What is an electromagnet?
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10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 9
List any of two uses of electromagnet.
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10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 9
Draw a labelled diagram to show how an electromagnet is made. 
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 9
What is the purpose of the soft iron core used in making an electromagnet?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 10
What are "magnetic field lines"? How is the direction of a magnetic field at a point determined?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 10
Draw two field lines around a bar magnet along its length on its two sides and mark the field directions on them by arrow marks.