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Physics CBSE Live product
Class 10 (2026-27)
Magnetic effects of electric current
Basics of Electromagnetism
2.
Discovery and magnetic effect of electric current
Question:
2
m.
Choose the best answer:
1
.
What does the deflection of a compass needle indicate?
The current has stopped flowing
The conductor becomes hot
The wire has become electrically charged
A magnetic field is produced around the conductor
2
.
Which instrument is used to detect the magnetic effect of electric current?
Ammeter
Compass needle
Barometer
Thermometer
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