Magnetic Field due to a Current-Carrying Conductor

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Magnetic Field due to a Current-Carrying Conductor: Overview

Through this topic, we will understand the concept of magnetic field due to a current carrying conductor. It discusses the cases of current through straight conductor and circular loop. It also explains the use of the right hand thumb rule.

Important Questions on Magnetic Field due to a Current-Carrying Conductor

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According to Right-hand thumb rule, the thumb indicates the direction of

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According to Ampere's swimming rule, the south pole of the magnetic needle deflects towards _____ hand of the swimmer.

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Ampere's swimming rule is used to find the direction of current.

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According to Ampere's swimming rule, the south pole of the magnetic needle deflects towards _____ hand of the swimmer.

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Ampere's swimming rule is used to find the direction of current.

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Magnetic effect of current was discovered by 

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Magnetic effect of current was discovered by

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An _____ current always produces a magnetic field.

 

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Which of the following properties of a proton can change while it moves freely in a magnetic field? 

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A positively-charged particle (alpha-particle) projected towards the west is deflected towards the north by a magnetic field. The direction of magnetic field is________.

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Choose the correct option for a current carrying solenoid,the strength of magnetic field  is_________.

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A current-carrying conductor when is placed in a magnetic field, it experiences a _____.

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The end of the _____ which gets repelled by the bar magnet is the north pole while the one which gets attracted by the bar magnet is the south pole.

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For a current in a long straight solenoid N-pole and S-pole are created at the two ends. Among the following statements, the incorrect statement is

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Two current-carrying solenoids exhibit: 

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Four metal rods are placed, in turn, inside a coil of copper wire.
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The table below gives the results of the experiment. Which rod would be the most suitable to use for the case of a coil in a circuit breaker?

Meta rod Number of paper clips picket up when there is current in the coil Number of paper clips still attracted when the current is switched off
(a) 1 0
(b) 20 2
(c) 35 0
(d) 35 30

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The material of the core of a strong electromagnet is:

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Who among the following discovered that electricity and magnetism are related phenomena?

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Let us take a straight conductor in which the electric current is directed towards the south as seen from the north. The magnetic field for such a current orientation is anti-clockwise.