Advertisements
Advertisements
प्रश्न
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
Advertisements
उत्तर
Direction of force is also reversed.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false
The field at the centre of a long circular coil carrying current will be parallel straight lines.
Describe how you will locate a current-carrying wire concealed in a wall.
A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should passed in the conductor:
(a) from top towards bottom
(b) from left towards right
(c) from bottom towards top
(d) from right towards left
A horizontal wire carries a current as shown in Figure below between magnetic poles N and S:
Is the direction of the force on the wire due to the magnet:
(a) in the direction the current
(b) vertically downwards
(c) opposite to the current direction
(d) vertically upwards
Name three factors on which the magnitude of force on a current carrying conductor placed in a magnetic field depends and state how does the force depend on the factors stated by you.
State two ways to increase the speed of rotation of a D.C. motor.
Differentiate between conductors and insulators.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.
The strength of magnetic field around a current-carrying conductor is ____________.
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.
