The self-inductance of a solenoid is:

  • A
    directly proportional to the current flowing through the coil
  • B
    directly proportional to the length
  • C
    directly proportional to its area of cross-section
  • D
    inversely proportional to its area of cross-section

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Similar Questions

$A$ varying current in a coil changes from $10 \, A$ to $0 \, A$ in $0.5 \, s$. If the average $EMF$ induced in the coil is $220 \, V$,the self-inductance of the coil is ... $H$.

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When a current $i$ through a solenoid is increasing at a constant rate, then the induced current is

In a circular conducting coil,when current increases from $2 \,A$ to $18 \,A$ in $0.05 \,s$,the induced $e.m.f.$ is $20 \,V$. The self-inductance of the coil is.....$mH$.

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