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Magnetic field inside a long current carrying solenoid is . If each of the current ( ) and the…
Magnetic field inside a long current carrying solenoid is $B_0$. If each of the current ($I$) and the number of turns ($N$) in this solenoid are doubled, magnetic field $B_1$ inside it becomes:
- (a)$B_1 = B_0 / 4$
- (b)$B_1 = B_0 / 2$
- (c)$B_1 = B_0$
- (d)$B_1 = 4B_0$
Answer
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From ISC 2025 Improvement Physics Paper 1, question 1(A)(ii).