Moving Charges and Magnetism

Question: The expression for magnetic induction inside a solenoid of length L carrying a current I and having N number of turns is

1) $\frac{{{\mu _0}}}{{4\pi }}\frac{N}{{LI}}$

2) ${\mu _0}NI$

3) $\frac{{{\mu _0}}}{{4\pi }}NLI$

4) ${\mu _0}\frac{N}{L}I$

Solution:

Explanation: No Explanation

Biot-Savart's Law Amperes Law

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