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CBSE Class 10 Science Question 16 of 22

Magnetic Effects of Electric Current — Question 3

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Question

Question 3

Choose the correct option.
The magnetic field inside a long straight solenoid-carrying current

  1. is zero.
  2. decreases as we move towards its end.
  3. increases as we move towards its end.
  4. is the same at all points.
Answer

is the same at all points

Reason — The magnetic field inside a long straight current-carrying solenoid is uniform. Therefore, it is the same at all points.