Advertisements
Advertisements
प्रश्न
State whether a magnetic field is associated or not around a moving charge.
Advertisements
उत्तर
A moving charge is associated with a magnetic field around it.
APPEARS IN
संबंधित प्रश्न
State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
(a) will decrease
(b) will increase
(c) will become zero
(d) will remain the same
For Fleming's left-hand rule, write down the three things that are 90° to each other, and next to each one write down the finger or thumb that represents it.
What is the force on a current-carrying wire that is parallel to a magnetic field? Give reason for your answer.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
A current-carrying conductor is held in an exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor:
When current is parallel to a magnetic field, then force experience by the current-carrying conductor placed in a uniform magnetic field is ____________.
A current-carrying conductor of a certain length, kept perpendicular to the magnetic field experiences a force F. What will be the force if the current is increased four times, the length is halved and the magnetic field is tripled?
Assertion (A): A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic field.
Reason (R): The net charge on a current carrying conductor is always zero.
