Advertisements
Advertisements
प्रश्न
A flat coil ABCD is freely suspended between the pole of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.
Name an instrument which makes use of the principle stated above.
Advertisements
उत्तर
The instrument which makes use of the principle stated above is D.C. motor.
APPEARS IN
संबंधित प्रश्न
The magnetic field inside a long straight solenoid-carrying current ______.
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
The diagram given below represents magnetic field caused by a current-carrying conductor which is:
(a) a long straight wire
(b) a circular coil
(c) a solenoid
(d) a short straight wire
The magnetic field associated with a current-carrying straight conductor is in anticlockwise direction. If the conductor was held along the east-west direction, what will be the direction of current through it? Name and state the rule applied to determine the direction of current?
Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer while coil B is connected to a battery through a key. What would happen if:
the current is stopped by removing the plug from the key?
Explain your answer mentioning the name of the phenomenon involved.
Name the following diagram and explain the concept behind it.
State Fleming’s left-hand rule.
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.
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.
