Physics, asked by sanskruti6180, 7 months ago

3.a long solenoid carrying a current produces a magnetic field B along its axes. If the number of turns per cm is tripled and the current is halved, then the new value of magnetic field will be?
a. 4B
b. 2B
c.3B/2
d. B/2

Answers

Answered by yadavmahaveerprasad1

2

Answer:

c 3b/2

Explanation:

please mark me brainlest.

Answered by priyaanusingh1978

0

Answer:

Explanation: 4B

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