Single Answer MCQ
Q-00019631
According to Oersted's experiment, what effect does an electric current have on a compass needle?
1
It makes the needle vibrate
2
It causes the needle to deflect
3
It stops the needle from rotating
4
It turns the needle upside down
Answer and Solution
Answer
B. It causes the needle to deflect
Solution:
The presence of an electric current causes a compass needle to deflect, demonstrating that electric currents produce magnetic fields.
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