Home
Class 12
PHYSICS
A large metal sheet carries an electric...

A large metal sheet carries an electric current along its surface. Current per unit length is `lambda` . Magnetic field near the metal sheet is.

A

`lambdamu_(0)`

B

`(lambdamu_(0))/(2)`

C

`(lambdamu_(0))/(2pi)`

D

`(mu_(0))/(2pilambda)`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Assertion and reason|20 Videos
  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Match the following|4 Videos
  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Check point|54 Videos
  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|5 Videos
  • MAGNETICS

    DC PANDEY ENGLISH|Exercise MCQ_TYPE|1 Videos

Similar Questions

Explore conceptually related problems

Figure shows a cross section of a large metal. Sheet carrying an electric current along its surface. The current in a strip of width dl is Kdl where K is a constant. Find the magnetic field at a point P at a distance x from the metal sheet.

Figure shows cross section of two large parallel metal sheets carrying electric currents along their surface. The current in each sheet is 10//pi A//m along the width, Consider two points A and B, as shown in the figure with their positions.

A hollow tube is carrying an electric current along its length distributed uniformly over its surface. The magnetic field

A tightly- wound, long solenoid is kept with its axis parallel to a large metal sheet carrying a surface current. The surgace current through a width dl of the sheet is Kdl and the number of turns per unit length of the solenoid is n. The magnetic field near the centre of the solenoid is found to be zero. (a) find the current in the solenoid. (b) If the solenoid is rotated to make its axis perpendicular to the metal sheet, what would be the magnitude of the magnetic field near its centre?

A coil carrying electric current is placed in uniform magnetic field

Two large metal sheets carry surface currents as shown in figure . The current through a strip of width dl is Kdl where K is a constant . Find the magnetic field at the points P,Q and R.

In Fig. a larger metal sheet of width w carries a current I(uniformly distributed in its width w). Find the magnetic field at point P which lies on the plane of the sheet.

A long thin walled pipe of radius R carries a current I along its length The current density is uniform over the circumference of the pipe The magnetic field at the center of the pipe due to quarter portion of the pipe shown, is .

A solid metallic cylinder carriers a direct current. The magnetic field produce by it exists

A thin but long, hollow, cylindrical tube of radius r carries a current i along its length. Find the magnitude of the magnetic field at a distance r/2 from the surface (a) inside the tube (b) outside the tube.