Advertisements
Advertisements
प्रश्न
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
Advertisements
उत्तर
Fleming's left hand rule: Stretch the forefinger, middle finger and the thumb of your left hand mutually perpendicular to each other. If the forefinger indicates the direction of magnetic field and the middle finger indicates the direction of current, then the thumb will indicate the direction of motion of conductor.
संबंधित प्रश्न
State and explain the clock-face rule for determining the polarities of a circular wire carrying current.
The magnetic field lines in the middle of the current-carrying solenoid are?
(a) circles
(b) spirals
(c) parallel to the axis of the tube
(d) perpendicular to the axis of the tube
A current-carrying straight wire is held in exactly vertical position. If the current passes through this wire in the vertically upward direction, what is the direction of magnetic field produced by it? Name the rule used to find the direction of magnetic field.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.
The force experienced by a current-carrying conductor placed in a magnetic field is the largest when the angle between the conductor and the magnetic field is:
45°
60°
90°
180°
Name the following diagram and explain the concept behind it.
Differentiate between conductors and insulators.
The north pole of Earth’s magnet is in the ____________.
An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is ______.
