A 200 {km} long telegraph wire has a capacitance of 0.014 \mu {F} \/ {km}. If it carries an alternating current of 50 \times 10^{3} {Hz}, what should be the value of an inductance required to be connected in series, so that impedance is minimum?

Correct Answer is : 0.36×10−2mH

AMU Engineering 2020 solved paper Solved Paper

Section: Physics

Question : 11 of 150

Marks: +1, -0

A 200km long telegraph wire has a capacitance of 0.014µF∕km. If it carries an alternating current of 50×103Hz, what should be the value of an inductance required to be connected in series, so that impedance is minimum?

0.48×10−2mH
0.36×10−2mH
0.52×10−2mH
0.49×10−2mH

Validate

Go to Question:

Prev Question

Next Question