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प्रश्न
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
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उत्तर
Ways to increase the magnetic field strength of a current-carrying solenoid:
- By increasing the number of turns in the solenoid.
- By increasing the flow of current passing through the solenoid.
- By using a soft iron rod as a core in the solenoid.
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.
Which of the following property of a proton can change while it moves freely in a magnetic field? (There may be more than one correct answer.)
Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field?
State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
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
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
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 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:
What do you know about Michael Faraday?
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.
