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Question

The magnetic effect of current was first discovered in:


A

1877

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B

1890

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C

1855

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D

1820

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Solution

The correct option is D

1820


  1. A wire carrying electric current acts like a magnet and this phenomenon is known as the magnetic effect of current.
  2. It was discovered by Hans Christian Oersted in 1820.

Hence, option (d) is correct.


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