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प्रश्न
What concealed do you get from the observation that a current-carrying wire deflects a compass needle placed near it?
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उत्तर
The deflection of compass needle by a current-carrying wire shows that the wire produces a magnetic field around it.
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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 ______.
State Fleming’s left-hand rule.
When is the force experienced by a current-carrying conductor placed in a magnetic field largest?
State qualitatively the effect of inserting an iron core into a current-carrying solenoid.
Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.
Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.
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?
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles
The diagram given below represents magnetic field caused by a current-carrying conductor which is:
(a) a long straight wire
(b) a circular coil
(c) a solenoid
(d) a short straight wire
The magnetic field associated with a current-carrying straight conductor is in anticlockwise direction. If the conductor was held along the east-west direction, what will be the direction of current through it? Name and state the rule applied to determine the direction of current?
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 whether a magnetic field is associated or not around a static charge.
State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be Zero.
A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
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?
Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?
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 ______.
