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प्रश्न
Fill in the following blank with suitable words:
For a current-carrying solenoid, the magnetic field is like that of a ...........
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उत्तर
For a current-carrying solenoid, the magnetic field is like that of a bar magnet.
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संबंधित प्रश्न
Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.
The magnetic field inside a long straight solenoid-carrying current ______.
State the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
State Fleming’s left hand rule.
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
Describe how you will locate a current-carrying wire concealed in a wall.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles
The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of circular wire is:
(a) clockwise
(b) downwards
(c) anticlockwise
(d) upwards
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.
State two ways to increase the force on a current-carrying conductor in a magnetic field.
Name and state the rule of determine the direction of force experienced by a current carrying straight conductor placed in a uniform magnetic field which is perpendicular to it.
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.
When will coil come to rest?
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.
The following diagram shows two parallel straight conductors carrying the same current. Copy the diagram and draw the pattern of the magnetic field lines around them showing their directions. What is the magnitude of the magnetic field at a point 'X' which is equidistant from the conductors? Give justification for your answer.
The strength of magnetic field around a current-carrying conductor is ____________.
The diagram below shows a free conductor AB is kept in a magnetic field and is carrying current from A to B. (To avoid confusion complete path of the circuit is not shown) The direction of the force experienced by the conductor will be:
Assertion (A): A magnetic field exerts a force on a moving charge in the same direction as the direction of the field itself.
Reason (R): The direction of force is given by Fleming’s left-hand rule.
If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.
