Two concentric coils of 10 turns each ar...

Two concentric coils of 10 turns each are placed in the same plane. Their radii are 20 cm and 40 cm and carry 0.2 A and 0.3 A current respectively in opposite directions. The magnetic induction (in tesla) at the centre is

`(7)/(4) mu_(0)`

`(5)/(4) mu_(0)`

`(3)/(4) mu_(0)`

`(9)/(4) mu_(0)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
MAGNETIC EFFECT OF ELECTRIC CURRENT
TARGET PUBLICATION|Exercise CRITICAL THINKING|68 Videos
KINETIC THEORY OF GASES AND RADIATION
TARGET PUBLICATION|Exercise Evaluation test|18 Videos
MAGNETISM
TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

Two concentric coils of 10 turns each are placed in the same plane. Their radii are 20cm and 40 cm and carry 0.2 and 0.2 amp. Current respectively in opposite directions. The magnetic induction ( in Tesla ) at the centre is

Two concentric circular coils of five turns each are situated in the same plane. Their radii are 20 cm and 30 cm and they carry respectively 0.2 A and 0.3 A current in same direction. The magnetic field in tesla at the centre is

Two concentric circular coils of ten turns each are situated in the same plane. Their radii are 20 and 40 cm and they carry respectively 0.2 and 0.3 ampere current in opposite direction. The magnetic field in Wb//m^(3) at the centre is

Two concentric circular coils of ten turns each are situated in the same plane. Their radii are 20 and 40 cm and they carry respectively 0.2 and 0.4 ampere current in opposite direction, The magnetic field in weber / m^2 at tteh centre is

Two concentric coils each of radius equal to 2 pi cm are placed at right angles to each other 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in weber//m^(2) at the centre of the coils will be ( mu_(0) = 4 pi xx 10^(-7) Wb// A.m)

Two concentric coils each of radius equal to 2pi cm are placed at tight angles to each there. 3 A and 4 A are the currents flowing in each coil respectively. The megnetic induction in Wb//m^(2) at the centre of the coil will be (mu_(0) =4pi xx10^(-7)Wb//Am)

Two circular coils of wire each having a radius of 4cm and 10 turns have a common axis and are 3cm apart If a current of 1A passes through each coil in the opposite direction find the magnetic induction (i) At the center of either coil (ii) At a point on the axis, midway between them .

Two concentric circular coils A and B have radii 25cm and 15cm and carry currents 10A and 15A respectively. A has 24 turns and B has 18 turns. The direction of currents are in opposite order. The magnetic induction at the common centre of the coil is

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING

A current l flows along the length of an infinitely long, straight, th...
Text Solution
|
The magnetic field at the centre of a circular coil of radius r carryi...
Text Solution
|
Two concentric coils of 10 turns each are placed in the same plane. Th...
Text Solution
|
The ratio of magnetic field at the centre of a current carrying cir...
Text Solution
|
A long wire carries a steady curent . It is bent into a circle of one ...
Text Solution
|
A length of wire carries a steady current. It is first bent to form a ...
Text Solution
|
When a certain length of wire is turned into one circular loop, the ma...
Text Solution
|
Circular loop of a wire and a long straight wire carry current I(c ) a...
Text Solution
|
There are 50 turns of a wire in every cm langth of a long solenoid. If...
Text Solution
|
A closely wound solenoid of 2000 turns and area of cross-section 1.5 x...
Text Solution
|
A proton is projected with a uniform velocity 'v' along the axis of a ...
Text Solution
|
A solenoid has length 0.4m, radius 1 cm and 400 turns of wire. If a cu...
Text Solution
|
A small cylindrical soft iron piece is kept in a galvanometer so that
Text Solution
|
In a moving coil galvanometer, the deflection of the coil theta is rel...
Text Solution
|
If in a moving coil galvanometer, a current I produces a deflection th...
Text Solution
|
A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...
Text Solution
|
The magnets of two suspended coil galvanometer are of the same strengt...
Text Solution
|
A recantagular coil of length 0.12 m and width 0.1 m having 50 turn...
Text Solution
|
The resistance of an ideal ammeter is
Text Solution
|
Assertion : Higher the range, greater is the resistance of ammeter. ...
Text Solution
|