Advertisements
Advertisements
Question
A wire, bent into a circle, carries current in an anticlockwise direction. What polarity does this face of the coil exhibit?
Solution
Face of the coil exhibit North polarity.
APPEARS IN
RELATED QUESTIONS
The back face of a circular loop of wire is found to be south magnetic pole. The direction of current in this face of the circular loop of wire will be:
(a) towards south
(b) clockwise
(c) anticlockwise
(d) towards north
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?
What is a solenoid? Compare the magnetic field produced by a solenoid with the magnetic field of a bar magnet. Draw neat figures and name various components.
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.]
State and illustrate the rule used for finding the polarity of the faces of a circular coil.
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 ____________.
Meena draws magnetic field lines of field close to the axis of a current carrying circular loop. As she moves away from the centre of the circular loop she observes that the lines keep on diverging.
How will you explain her observation.
