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प्रश्न
What is a solenoid?
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उत्तर
The solenoid is a long coil containing a large number of close turns of insulated copper wire.
संबंधित प्रश्न
State Fleming’s left hand rule.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.
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
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
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:
a current is passed through coil B by plugging the key?
Explain your answer mentioning the name of the phenomenon involved.
The north pole of Earth’s magnet is in the ____________.
The strength of magnetic field around a current-carrying conductor is ____________.
When current is parallel to a magnetic field, then force experience by the current-carrying conductor placed in a uniform magnetic field is ____________.
For a current in a long straight solenoid N- and S-poles are created at the two ends. Among the following statements, the incorrect statement is
A copper wire is held between the poles of a magnet
The current in the wire can be reversed. The pole of the magnet can also be changed over. In how many of the four directions shown can the force act on the wire?
