English

On reversing the direction of the current in a wire, the magnetic field produced by it gets ______. - Physics

Advertisements
Advertisements

Questions

On reversing the direction of the current in a wire, the magnetic field produced by it gets ______.

On reversing the direction of current in a wire, the magnetic field produced by it ______.

Options

  • gets reversed in direction

  • increases in strength

  • decreases in strength

  • remains unchanged in strength and direction

MCQ
Fill in the Blanks

Solution 1

On reversing the direction of the current in a wire, the magnetic field produced by it gets reversed.

shaalaa.com

Solution 2

On reversing the direction of current in a wire, the magnetic field produced by it gets reversed in direction.

shaalaa.com
  Is there an error in this question or solution?
2014-2015 (March) Science Paper 1

RELATED QUESTIONS

What is the nature of the lines of force of the magnetic field due to a straight current carrying wire?


In the diagram XY is a straight conductor carrying current in the direction marked by the arrow. The conductor is held vertical by passing it through a horizontal cardboard sheet.

Draw three magnetic lines of force on the board and mark the direction of magnetic field in your diagram. State two factors on which magnitude of magnetic field at a point, depends.


Which of the following statement is not correct about the magnetic field?


Magnetic lines of force inside current carrying solenoid are ____________.


A magnetic compass needle is placed in the plane of paper near point A as shown in Figure. In which plane should a straight current carrying conductor be placed so that it passes through A and there is no change in the deflection of the compass? Under what condition is the deflection maximum and why?


AB is a current carrying conductor in the plane of the paper as shown in Figure. What are the directions of magnetic fields produced by it at points P and Q? Given r1 > r2, where will the strength of the magnetic field be larger?


It is established that an electric current through a metallic conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving

  1. alpha particles,
  2. neutrons? Justify your answer.

These consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:

Assertion: On freely suspending a current – carrying solenoid, it comes to rest in Geographical N-S direction.

Reason: One end of current carrying straight solenoid behaves as a North pole and the other end as a South pole, just like a bar magnet.


A compass needle is placed near a current carrying wire. State your observations for the following cases and give reasons for the same in each case -

  1. Magnitude of electric current in wire is increased.
  2. The compass needle is displaced away from the wire.

When is the force experienced by a current-carrying straight conductor placed in a uniform magnetic field.

  1. Maximum
  2. Minimum

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×