A 0.07 H inductor and | Alternating Current | JEE MAIN 2021

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JEE MAIN 2021

27-07-21 s1

Question

A 0.07 H inductor and a $12 \Omega$ resistor are connected in series to a $220 \mathrm{~V}, 50 \mathrm{~Hz}$ ac source. The approximate current in the circuit and the phase angle between current and source voltage are respectively. [Take $\pi$ as $\left.\frac{22}{7}\right]$

Select the correct option:

A

8.8 A and $\tan ^{-1}\left(\frac{11}{6}\right)$

B

88 A and $\tan ^{-1}\left(\frac{11}{6}\right)$

C

$0.88 \mathrm{~A}^{-1}$ and $\tan ^{-1}\left(\frac{11}{6}\right)$

D

8.8 A and $\tan ^{-1}\left(\frac{6}{11}\right)$

✓ Correct! Well done.

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Solution

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