#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
Consider two coaxial cylinders of same length L. with vacuum inside them. The raddi of the inner so solenoid are r1 and r2 (> r1), respectively.

The number of turns per unit length are n1 and n2 for the the outer solenoid respectively. Their mutual inductance is:

Select one correct option:

\(4 \pi\mu_0n_1n_2r^2_2L\) Correct 💪 In-correct 🧐
\(4 \pi\mu_0n_1n_2r^2_2L\) Correct 💪 In-correct 🧐
\(\pi \mu_0n_1n_2r^2_2L\) Correct 💪 In-correct 🧐
\(\pi \mu_0n_1n_2r^2_2L\) Correct 💪 In-correct 🧐
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