Created by Chi Hung Chan
almost 5 years ago
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Question | Answer |
Magnetic flux density inside a solenoid | |
_____ Magnetic flux density at the centre of a circular loop | |
Magnetic flux density of a long straight wire | |
Left Hand Rule (Motor Rule) | F - B - I |
Magnetic force on a current carrying wire
Image:
Ibl (binary/octet-stream)
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Image:
Ibl+B (binary/octet-stream)
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Image:
Qvb (binary/octet-stream)
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Image:
Qvb+B (binary/octet-stream)
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Like currents | attract. |
Unlike currents | repel. |
Torque of motor
Image:
Inba (binary/octet-stream)
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Commutator (split ring) | reverses the direction of current every half turn of motion |
Soft iron core | strengthen the magnetic flux density inside a solenoid. |
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