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Physics CBSE Live product
Class 8 (2026-27)
Electricity: Magnetic and Heating Effect
Magnetic Effect of Current
4.
Scientist behind the discovery
Question:
2
m.
Choose the best answer:
1
.
During his demonstration, what did Oersted observe when the electrical circuit was closed or opened?
The battery stopped working
The wire melted
The compass needle deflected
The bulb became brighter
2
.
What caused the compass needle to deflect in Oersted's experiment?
Heat produced by the wire
Light emitted by the circuit
Magnetic field produced by electric current
Chemical reaction inside the battery
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