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Physics CBSE Live product
Class 10
Magnetic effects of electric current
Electromagnetism and magnetic effect of current
5.
Working of magnetic compass
Question:
2
m.
Select the correct answer
:
1
.
What causes the compass needle to deflect when placed near a current-carrying wire?
Magnetic field produced by the current
Sound vibration from the circuit
Resistance in the wire
Heat from the wire
2
.
Why does the compass needle move near a wire carrying electric current?
The current creates a magnetic field
The wire gets hot
The wire vibrates
The wire attracts the compass
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