Cluster · Magnetism and Electromagnetic Laws

d
Clusters / #1431
tight score 0.55

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

Coulomb's Law deals with which of the following-

pipeline-828527
science intermediate

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

pipeline-828521
science intermediate

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

pipeline-829030
science intermediate

Choose the incorrect statement from the following.

pipeline-828962
science intermediate

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

pipeline-828637
science intermediate

The magnetic length of a bar magnet means __________.

pipeline-828917
science intermediate

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

pipeline-828858
science intermediate

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

pipeline-828864
science intermediate

Which one is NOT true with electromagnets? 

pipeline-828880
science intermediate

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

pipeline-829105
science intermediate

Which of the following is/are applications of Lenz law?

pipeline-829104
science intermediate

Which of the following is Incorrect regarding 'Fleming's Left-Hand Rule'?

pipeline-829095
science intermediate

Identify the correct statement regarding Fleming's right-hand rule.

pipeline-829091
science intermediate

The movement of electric charges produces electric current and thereby produces electromagnetic force, which results in ______.

[SSC GD 2024]

pipeline-1179992
science intermediate

Which of the following options is correct for Coulomb's law ?

[SSC CHSL 2023]

pipeline-1180051
science intermediate

Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled ?

[SSC CGL 2019]

pipeline-1180037
science intermediate

Which of the following options is correct for Coulomb's law?

[RRB NTPC CBT]

pipeline-1180016
science intermediate

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

[SSC CGL 2021]

pipeline-1180012
science intermediate

A circular coil having ‘n’ turns produces a field _______ times large as that produced by a single turn

[SSC CHSL 2024]

pipeline-1179986
science intermediate

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

[RRB NTPC CBT]

pipeline-1179979
science intermediate

Which of the following laws state that “The magnitude of the induced EMF in a circuit is equal to the time rate of change of magnetic flux through the circuit”?

[SSC CHSL 2023]

pipeline-1180013
science intermediate

In the Right-Hand Thumb Rule, the thumb is directed towards the direction of :

[SSC CGL 2024]

pipeline-1179977
science intermediate

Which of the following laws state that “The magnitude of the induced EMF in a circuit is equal to the time rate of change of magnetic flux through the circuit”?

[RRB NTPC CBT]

pipeline-1180003
science intermediate

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

[SSC CHSL 2023]

pipeline-1179978
science intermediate

Which one of the following statements regarding magnetic field is correct ?

[SSC GD 2024]

pipeline-1179990
science intermediate

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

[SSC CHSL 2023]

pipeline-1179983
science intermediate

Which of the following is the right relationship between geometric length (Lg) and magnetic length (Lm) ?

[SSC CHSL 2023]

pipeline-1179985
science intermediate

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: 

pipeline-654386
reasoning intermediate

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

pipeline-654371
reasoning intermediate

According to Fleming’s left-hand rule, forefinger represent the __________.

pipeline-10646
reasoning intermediate

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

pipeline-1324032
bihar_police intermediate

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

pipeline-1335658
bihar_police intermediate

At which point in the magnetic field of a horizontally placed bar magnet does the neutral point occur?

pipeline-1323729
bihar_police intermediate

The location of the north magnetic pole of earth’s magnet is at a latitude of 79.74° N and a longitude of 71.8° W, a place somewhere in north ______.

pipeline-1318235
bihar_police intermediate

Coulomb's Law deals with which of the following-

pipeline-435605
bihar_police intermediate

"The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them." What is this law called?

pipeline-425991
bihar_police intermediate

Which of the following is/are applications of Lenz law?

pipeline-412916
bihar_police intermediate

Which of the following statements is/are correct?

Statements:

I) A current carrying coil produces magnetic field.
II) A current carrying solenoid behaves like a bar magnet.

pipeline-1351880
rajasthan intermediate

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

pipeline-1351402
up_police intermediate

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

pipeline-714091
rpf intermediate

In accordance to Fleming’s left hand rule used to find the direction of force on a current carrying conductor placed inside a magnetic field, the centre finger and the index finger represent the directions of _______ and ________ . respectively.
 

pipeline-1310722
defence intermediate

The location of the north magnetic pole of earth’s magnet is at a latitude of 79.74° N and a longitude of 71.8° W, a place somewhere in north ______.

pipeline-1305425
defence intermediate

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

pipeline-1305481
defence intermediate

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

pipeline-1305477
defence intermediate

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

pipeline-1266302
defence intermediate

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

pipeline-1264271
ib intermediate

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

pipeline-1255597
ib intermediate

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

pipeline-1134946
delhi_police intermediate

Whenever the magnetic flux linked with an electric circuit changes, an emf is induced in the circuit. This is called

pipeline-1133705
delhi_police intermediate

The magnetism in the centre of bar magnet is

pipeline-1134954
delhi_police intermediate
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