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Maslowich
3 years ago
8

Problem 10 A solenoid with length ℓ, N turns, and cross-sectional area A has inductance L if the solenoid can be treated as infi

nitely long. What would the inductance become if the area was doubled while the other parameters remained the same? Select One of the Following: (a) L (b) 2L (c) 4L (d) L/2 (e) L/4
Physics
1 answer:
Olin [163]3 years ago
8 0

Answer:

(b) 2L

Explanation:

The inductance of a solenoid is given by the following equation:

L=\frac{\mu N^2A}{l}

\mu is the permeability of the solenoid material. Therefore,  the inductance is directly proportional to the  cross-sectional area, so a solenoid with twice the area has twice the inductance.

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