Question

calculate the self-inductance of a solenoid of of length 10 cm,area 5 square cm and 200 turns

Answer 1

Answer on Question #62778-Physics-Electromagnetism

Calculate the self-inductance of a solenoid of length $10\mathrm{cm}$, area 5 square cm and 200 turns

Solution

The self-inductance of the solenoid is

$$L = \frac{\mu_0 N^2 A}{l}.$$ $$L = \frac{(4\pi \cdot 10^{-7})(200)^2 (5 \cdot 10^{-4})}{0.1} = 2.5 \cdot 10^{-4} H = 0.25\ \mathrm{mH}.$$

Answer: $0.25\ \mathrm{mH}$.

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