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प्रश्न
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
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उत्तर
The direction of magnetic field produced by a straight current-carrying conductor can be obtained by using Maxwell's right-hand thumb rule.
संबंधित प्रश्न
Observe the following figure:
If the current in the coil A is changed, will some current be induced in the coil B? Explain.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles
What is the shape of field lines inside a current-carrying solenoid? What does the pattern of field lines inside a current-carrying solenoid indicate?
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:
(a) will decrease
(b) will increase
(c) will become zero
(d) will remain the same
A current-carrying conductor is held in exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should passed in the conductor:
(a) from top towards bottom
(b) from left towards right
(c) from bottom towards top
(d) from right towards left
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°
What is the force on a current-carrying wire that is parallel to a magnetic field? Give reason for your answer.
force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
Name three factors on which the magnitude of force on a current carrying conductor placed in a magnetic field depends and state how does the force depend on the factors stated by you.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is maximum?
How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?
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?
State whether a magnetic field is associated or not around a static charge.
Describe the activity that shows that a current-carrying conductor experiences a force perpendicular to its length and the external magnetic field. How does Fleming’s left-hand rule help us to find the direction of the force acting on the current carrying conductor?
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?
Two LED bulbs of 10W and 5W are connected in series. If the current flowing through 5W bulb is 0.005A, the current flowing through 10W bulb is ______.
