Advertisements
Advertisements
Question
A wire, bent into a circle, carries current in an anticlockwise direction. What polarity does this face of the coil exhibit?
Advertisements
Solution
Face of the coil exhibit North polarity.
APPEARS IN
RELATED QUESTIONS
What is the direction of magnetic field at the centre of a coil carrying current in clockwise ?
Which of the statement given below correctly describes the magnetic field near a long, straight current carrying conductor?
A magnet kept at the centre of two coils A and B is moved to and fro as shown in the diagram. The two galvanometers show deflection. State with a reason whether : x > y or x< y [x and y are magnitudes of deflection.]
Why is it that the magnetic field of a current-carrying coil having n turns, is ‘n’ times as large as that produced by a single turn (loop)?
An induced emf is produced when a magnet is moved into a coil. The magnitude of induced emf does not depend on ____________.
If two circular coils can be arranged in any of the three situations as shown in the diagrams below, then their mutual induction will be:
The nature of magnetic field line passing through the centre of current carrying circular loop is ____________.
Why does a magnetic compass needle pointing North and South in the absence of a nearby magnet get deflected when a bar magnet or a current carrying loop is brought near it. Describe some salient features of magnetic lines of field concept.
Explain with the help of a labelled diagram the distribution of magnetic field due to a current through a circular loop. Why is it that if a current carrying coil has n turns the field produced at any point is n times as large as that produced by a single turn?
Explain the phenomenon of electromagnetic induction. Describe an experiment to show that a current is set up in a closed loop when an external magnetic field passing through the loop increases or decreases.
