Cluster · Magnetism and Electromagnetic Laws

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tight score 0.55

Magnetism and Electrostatics Laws
Questions
82
Questions in this cluster
81 total
Question Category Subtype Difficulty

Which of the following statements is/are true for a current-carrying straight conductor?
(i) The magnetic field lines are concentric circles with conductors at the centre.
(ii) The strength of the magnetic field increases as we move away from the conductor.
(iii) The direction of the magnetic field can be determined using right hand-thumb rule

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Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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delhi_police intermediate

The neutral point in the magnetic field of a horizontally placed bar magnet is the:

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Which of the following rule is used to find the direction of magnetic field associated with a current carrying conductor?

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Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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If the magnetic field on Earth to be represented by a point magnetic dipole at its centre. At a point on the geographical equator, the angle of dip will be: 

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If the magnetic field through a loop of wire is increasing, what happens to the induced electromotive force (EMF) in the loop?

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Which of the following rule is used to find the direction of magnetic field associated with a current carrying conductor?

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The neutral point in the magnetic field of a horizontally placed bar magnet is the:

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In 1785, who used the calibrated torsion balance to measure the force between electric charges?

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Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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What does “Forefinger” indicate in Fleming’s Left-Hand Rule?

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If the magnetic field through a loop of wire is increasing, what happens to the induced electromotive force (EMF) in the loop?

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Which one is NOT true with electromagnets? 

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Which of the following claims concerning the magnetic lines of force inside a bar magnet is true?
 

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Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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What is the number of elements of the earth’s magnetic field?

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The direction of a magnetic field due to a straight current carrying conductor can be determined using:

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According to right hand thumb rule, ________represent(s) the direction of current.

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Which of the following situations is/are possible?
(a) Magnetic field lines can be parallel to each other.
(b) Magnetic field lines can be concentric circles.
(c) Magnetic field lines can intersect each other.

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Which of the following statements is/are correct for a current-carrying solenoid?

(i) It can be used to magnetise a piece of soft iron.

(ii) TItacts like a bar magnet.

(iii) The field lines are concentric circles.

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Which of the following statements is/are true for a current-carrying straight conductor?
(i) The magnetic field lines are concentric circles with conductors at the centre.
(ii) The strength of the magnetic field increases as we move away from the conductor.
(iii) The direction of the magnetic field can be determined using right hand-thumb rule

pipeline-1081261
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If the magnetic field through a loop of wire is increasing, what happens to the induced electromotive force (EMF) in the loop?

pipeline-1080738
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The neutral point in the magnetic field of a horizontally placed bar magnet is the:

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Which of the following rule is used to find the direction of magnetic field associated with a current carrying conductor?

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Which of the following mles is used to determine the force on a current carrying conductor kept inside a magnetic field?

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Induced current is maximum when_______.

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Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

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The neutral point in the magnetic field of a horizontally placed bar magnet is the:

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What is the number of elements of the earth’s magnetic field?

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When iron filings are sprinkled around a magnet, they form a pattern. What does this pattern represent?

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