A 1210-turn solenoid 29.2 cm long and 1.58 cm in diameter carries 165 mA. How much...

Question

Question

A 1210-turn solenoid 29.2 cm long and 1.58 cm in diameter carries 165 mA.

How much magnetic energy does it contain?

Express your answer with the appropriate units.

science physics

Answer 1

Answer #1

energy in a solenoid = 1/2* L *I^2

L = u₀ * n^2 * A/l = 1.2354 mH

so

energy = 1/2 * 1.2354 *10^-3 * 165 *10^-3

= 101.92 * 10^-6 J

Answer 2

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