Q152 / 160 · AP EAMCET 2025 (26 MAY SHIFT 1) · Physics

The self inductance of an air-cored solenoid of length 40 cm, diameter 7 cm having 200 turns is nearly

Correct answer
A
$484 \mu \mathrm{H}$
B
$242 \mu \mathrm{H}$
C
$121 \mu \mathrm{H}$
D
$968 \mu \mathrm{H}$

Hence, the correct answer is option: 'A'.

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