A wire of fixed length is wound on a sol...

A wire of fixed length is wound on a solenoid of length 'l' and radius 'r' . Its self inductiane is found to be Now if same wire is wound on a solenoid of length ad radius `(r)/(2)` then the self inductance will be

`(L)/(2)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)|35 Videos
ELECTROMAGNETIC INDUCTION
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|25 Videos
ELECTROMAGNETIC INDUCTION
AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|5 Videos
ELECTRIC CHARGES AND FIELDS
AAKASH INSTITUTE ENGLISH|Exercise comprehension|3 Videos
ELECTROMAGNETIC WAVES
AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

A wire of fixed length is wound on a solenoid of length l and radius r . Its self-inductance is found to be L . Now, if the same wire is wound on a solenoid of length l//2 and radius r//2 then the self-inductance will be

A force F is required to break a wire of length L and radius r. Find the force required to break a wire of the same material, length 2L and radius 4r.

A solenoid of length l metre has self-inductance L henry. If number of turns are doubled, its self-inductance

The length of a wire required to manufacture a solenoid of length l and self-induction L is (cross-sectional area is negligible)

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

The self inductance L of a solenoid of length l and area of cross-section A, with a fixed number of turns N increases as

A long solenoid has self inductance. L. If its length is doubled keeping total number of turns constant then its new self inductance will be

The self inductance of a solenoid of length L, area of cross-section A and having N turns is-

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-EXERCISE

A vertical rod of length l is moved with constant velocity v towards e...
Text Solution
|
The current carrying wire and the rod AB are in the same plane. The ro...
Text Solution
|
A helicopter rises vertically upwards with a speed of 100 m//s. If the...
Text Solution
|
A rod AB slides on a V shaped wire with speed v as shown, such that at...
Text Solution
|
if given arrangement is moving towards left with speed v, then potenti...
Text Solution
|
A conducting rod is rotated about one end in a plane perpendicular to ...
Text Solution
|
A semicircular loop of radius R is rotated with an angular velocity om...
Text Solution
|
A force of 10N is required to move a conducting loop through a non-uni...
Text Solution
|
A flexible wire bent in the form of a circle is placed in a uniform ma...
Text Solution
|
Radius ol a circular luop placed in a perpendicular uniform magnetic f...
Text Solution
|
A wire of fixed length is wound on a solenoid of length 'l' and radius...
Text Solution
|
The length of thin wire required to manufacture a solenoid of inductan...
Text Solution
|
A conducting ring of radius b is placed coaxially in a long solenoid o...
Text Solution
|
In what form is the energy stored in an inductor or A coil of inducta...
Text Solution
|
Which of the following pairs of coils has zero coupling constant?
Text Solution
|
Two coils of self-inductance 2 mH and 8 mH are placed, so close togeth...
Text Solution
|
The equivalent inductance of two inductors is 2.4 H when connected in ...
Text Solution
|
In an A.C. sub-circuit as shown in figure, the resistance R = 0.2 Omeg...
Text Solution
|
A coil of self inductance 50 henry is joined t the terminals of a batt...
Text Solution
|
The ratio of initial to final current through the battery when the swi...
Text Solution
|