Advertisements
Advertisements
प्रश्न
The magnetic field inside a long straight solenoid-carrying current ______.
पर्याय
is zero
decreases as we move towards its end
increases as we move towards its end
is the same at all points
उत्तर
The magnetic field inside a long straight solenoid-carrying current is the same at all points.
Explanation:
The magnetic field inside the current-carrying solenoid is constant in magnitude and direction and acts along the axis of the solenoid.
APPEARS IN
संबंधित प्रश्न
A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is ______.
Which of the following correctly describes the magnetic field near a long straight wire?
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
Fill in the following blank with suitable words:
For a current-carrying solenoid, the magnetic field is like that of a ...........
Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
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.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?
State the unit of magnetic field in terms of the force experienced by a current carrying conductor placed in a magnetic field
A coil ABCD mounted on an axle is placed between the poles N and S of a permanent magnet as shown in Figure.
- In which direction will the coil begin to rotate when current is passed through the coil in direction ABCD by connecting a battery at the ends A and D of the coil?
- Why is a commutator necessary for continuous rotation of the coil?
- Complete the diagram with commutator, etc. for the flow of current in the coil?
State Fleming's left handle rule.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be Zero.
Which of the following factors affect the strength of force experience by current-carrying conduct in a uniform magnetic field?
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
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 does the direction of thumb indicate in the right-hand thumb rule. In what way this rule is different from Fleming’s left-hand rule?
What do you know about Michael Faraday?
