Magnetic Effects of Current and Magnetism Part 2

Section: Physics

Question : 87 of 100

Marks: +1, -0

A long solenoid carrying a current produces a magnetic field B along its axis. If the current is doubled and the number of turns per cm is halved, the new value of magnetic field will be equal to

[25-Jun-2022-Shift-2]

B
2B
4B
‌
B
2

Validate

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