What is the formula for the magnetic field due to a solenoid? – McqOptions

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1.	What is the formula for the magnetic field due to a solenoid?
A.	‚âà√≠¬¨‚à´nI
B.	‚âà√≠¬¨‚à´n<sup>2</sup>
C.	‚âà√≠¬¨‚à´NI
D.	‚âà√≠¬¨‚à´N<sup>2</sup>I<sup>2</sup>
Answer» B. ‚âà√≠¬¨‚à´n<sup>2</sup>

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