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प्रश्न
A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.
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उत्तर
When a current-carrying conductor is placed perpendicular to a magnetic field, Fleming's left-hand rule can be used to find the direction of force acting on the conductor.
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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 ______.
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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.
State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles
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In a statement of Fleming's left-hand rule, what do the following represent?
(a) direction of centre finger.
(b) direction of forefinger.
(c) direction of thumb.
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.
A horizontal wire carries a current as shown in Figure below between magnetic poles N and S:
Is the direction of the force on the wire due to the magnet:
(a) in the direction the current
(b) vertically downwards
(c) opposite to the current direction
(d) vertically upwards
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?
Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.
i) Which principle is explained in this figure?
ii) Which rule is used to find out the direction of a force in this principle?
iii) In which machine this principle is used? Draw a diagram showing working of that machine
State two ways to increase the speed of rotation of a D.C. motor.
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
