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प्रश्न
The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is:
45°
60°
90°
180°
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उत्तर
180°
The force exerted on a current-carrying wire placed in a magnetic field is zero when a current-carrying conductor is parallel to the field.
APPEARS IN
संबंधित प्रश्न
State Fleming’s left-hand rule.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
What is the shape of a current-carrying conductor whose magnetic field pattern resembles that of a bar magnet?
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
Name and state the rule to determine the direction of magnetic field around a straight current-carrying conductor.
State and explain the Clock face rule for determining the polarities of a circular wire carrying current.
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
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
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?
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
Which way does the wire in the diagram below tend to move?
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 and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field
Name the following diagram and explain the concept behind it.
Write Fleming’s left hand rule.
A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below:
The force on the wire due to the magnet is directed ____________.
Which of the following factors affect the strength of force experience by current-carrying conduct in a uniform magnetic field?
The direction of force on a current carrying conductor in a magnetic field is given by ____________.
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.
