Electro Magnetic Induction And Alternating Currents Question 543

Question: Self-induction of a solenoid is [MP PMT 1993]

Options:

A) Directly proportional to current flowing through the coil

B) Directly proportional to its length

C) Directly proportional to area of cross-section

D) Inversely proportional to area of cross-section

Show Answer

Answer:

Correct Answer: C

Solution:

$ L={\mu_{0}}N^{2}A/l $



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