Question

explain solenoid

${ { \frac{yyyyyyy((xyy \times + 11 \geqslant ee \cot( \sec( \cot( \cos({k \\ \\ ) ) ) ) }{?} }^{2} }^{?}$
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Answer 1

Answer:

unit is henry

Step-by-step explanation:

solenoid is very important for inductance

its unit is henry

there are mainly two types self inductance and second is mutual inductance