MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Coupling

Two inductanc...

Question

Two inductance coils, of same self inductance, are corrected in parallel and the distance between them is large. The resultant self inductance of the coil will be

A

\frac{L}{4}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

2 L

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

L

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

\frac{L}{2}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is C $\frac{L}{2}$
Resultant self inductance L'
$1 / L^{'} = 1 / L + 1 / L$
$L^{'} = L / 2$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Two coils each of self-inductance

L

are connected in parallel. It they are separated by a large distance, then what will be the self-inductance of combination?

Q. The self inductance of two coils

P

S

L_{1}

L_{2}

. The coupling between them is ideal. Show that the mutual inductance between these coils is

M = \sqrt{L_{1} L_{2}}

A coil of Cu wire (radius-r, self inductance-L) is bent in two concentric turns each having radius $\frac{r}{2}$ . The self inductance now is

Q. On making a coil of copper wire of length l and coil radius r, the value of self inductance is obtained as L. If the coil of same wire, but of coil radius r/2, is made, the value' of self inductance will be-I

Q. Two identical solenoid coils, each of self-inductance L are connected in series. Their turns are in the same sense and the distance between them is such that the coefficient of coupling is half. Then equivalent inductance of the combination is :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Self and Mutual Inductance

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon