Given below are two statements: 
Assertion (A): Mass of a body decreases slightly when it is negatively charged.
Reason (R): Charging is due to the transfer of electrons.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.


 
Subtopic:  Electric Charge |
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Given below are two statements: 
Assertion (A): If electrons in an atom were stationary, then they would fall into the nucleus.
Reason (R): Electrostatic force of attraction acts between negatively charged electrons and positive nucleus.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.
Subtopic:  Coulomb's Law |
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Assertion: If the electric field due to a dipole on its axis line at a distance r is E, then the electric field due to a dipole at the same distance at the equatorial line will be E/2.
Reason: Electric field due to dipole varies inversely as the square of the distance.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. Assertion is true but the reason is false
4. Both assertion and reason are false


 
Subtopic:  Electric Dipole |
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Assertion: Electrons in the atom are held due to coulomb forces.
Reason: The atom is stable only because the centripetal force due to Coulomb's law is balanced by the centrifugal force.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. Assertion is true but the reason is false
4. Both assertion and reason are false

 
Subtopic:  Coulomb's Law |
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Assertion: A charge q is placed in a cube of side b. The flux associated with the cube is independent of side length.
Reason: Gauss's law is independent of the size of the Gaussian surface.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3.  Assertion is true but the reason is false
4. Both assertion and reason are false


 
 
Subtopic:  Gauss's Law |
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Assertion: When charges are shared between any two bodies, no charge is really lost but some loss of energy does occur.
Reason: Some energy disappears in the form of heat, sparking, etc.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

Subtopic:  Electric Charge |
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Assertion: Work done in moving a charge between any two points in a uniform electric field is independent of the path followed by the charge between these points.
Reason: Electrostatic forces are non-conservative.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

Subtopic:  Electric Field |
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Assertion: Electrons move from a region of higher potential to a region of lower potential.
Reason: An electron has less potential energy at a point where potential is higher and vice-versa.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.
Subtopic:  Electric Field |
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The figure shows some of the electric field lines corresponding to an electric field. The figure suggests: 

1. EA > EB > EC

2. EA = EB = EC

3. EA = EC > EB

4. EA = EC < EB

Subtopic:  Electric Field |
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Assertion: If a proton and an electron are placed in the same uniform electric field then they experience different accelerations.
Reason: Electric force on a test charge is independent of its mass.
1. Both the assertion and reason are true and reason explains the assertion.
2. Both the assertion and reason are true but reason does not explain the assertion.
3. Assertion is true but reason is false.
4. Assertion is false but reason is true.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Electric Field |
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