Physics · Magnetism
In a long straight solenoid, if the number of turns per unit length is doubled while keeping the electric current constant, how does the magnetic field inside the solenoid change?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It becomes half of its original value.
- 2It becomes four times.
- 3It doubles.✓
- 4It remains unchanged.
Correct answer
It doubles.
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