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Questions and Answers
What happens to a compass needle when brought near a bar magnet?
What happens to a compass needle when brought near a bar magnet?
- It remains unaffected
- It becomes neutralized
- It aligns with the bar magnet (correct)
- It repels the bar magnet
What is the end of a compass needle that points towards the north direction called?
What is the end of a compass needle that points towards the north direction called?
- North seeking pole (correct)
- Attracting pole
- South seeking pole
- Repelling pole
What happens when like poles of magnets are brought near each other?
What happens when like poles of magnets are brought near each other?
- They attract each other
- They become neutral
- They create a magnetic field
- They repel each other (correct)
What is the unit of magnetic current?
What is the unit of magnetic current?
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What symbol is usually used to represent magnetic current?
What symbol is usually used to represent magnetic current?
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Which rule determines the direction of the electric field produced by magnetic currents?
Which rule determines the direction of the electric field produced by magnetic currents?
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What is the unit of magnetic current density?
What is the unit of magnetic current density?
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What is the mathematical term for one component of magnetic displacement current density?
What is the mathematical term for one component of magnetic displacement current density?
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