Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
A current of $4 \mathrm{~A}$ flows in a coil when connected to a $12 \mathrm{~V}$ d.c. source. If the same coil is connected to a $12 \mathrm{~V},\left(\frac{25}{\pi}\right) \mathrm{Hz}$ a.c source, a current of $2.4 \mathrm{~A}$ flows in the circuit. The inductance of the coil is
PhysicsAlternating CurrentAP EAMCETAP EAMCET 2017 (26 Apr Shift 2)
Options:
  • A $\begin{aligned} & 100 \mathrm{mH}\end{aligned}$
  • B $\begin{aligned} & 80 \mathrm{mH} \end{aligned}$
  • C $\begin{aligned} & 60 \mathrm{mH} \end{aligned}$
  • D $\begin{aligned} & 50 \mathrm{mH}\end{aligned}$
Solution:
2469 Upvotes Verified Answer
The correct answer is: $\begin{aligned} & 80 \mathrm{mH} \end{aligned}$
No solution. Refer to answer key.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play