Physics - Magnetism Question with Solution | TestHub
PhysicsMagnetismBiot-savart's & Ampere's Circuital lawMedium2 minPYQ_2003
PhysicsMediumsingle choice
A long solenoid carrying a current produces a magnetic field along its axis. If the current is doubled and the number of turns per is halved, the new value of the magnetic field is:NEET 2003
Options:
Answer:
B
Solution:
Magnetic field induction at point insides the solenoid of length , having turns per unit length carrying current . is given by If is double and is halved then remains same.
Stream:NEETSubject:PhysicsTopic:MagnetismSubtopic:Biot-savart's & Ampere's Circuital law
⏱ 2mℹ️ Source: PYQ_2003
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