The unit of electric permittivity is

1.  joule/coulomb

2.  volt/meter2

3.  farad/meter

4.  henry/meter

 

Subtopic:  Coulomb's Law |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A pendulum bob carries a positive charge. Another positive charge q is held at the point of support, then the time period of bob is (L: length of the simple pendulum)

1.  Greater than 2πLg

2.  Less than 2πLg

3.  Equal to 2πLg

4.  Equal to 2π2Lg

Subtopic:  Coulomb's Law |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

24 electric dipoles each of dipole moment 2 μCm are packed inside a hollow sphere. The net electric flux through the sphere is

1.  28 μCm2

2.  28 μNm2C

3.  Zero

4.  Infinity

Subtopic:  Electric Dipole |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not the property of charge?

1.  Like point charges repel each other

2.  For an isolated system, the net charge is conserved

3.  Specific charge is invariant

4.  Charge is quantized

 

Subtopic:  Electric Charge |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Three charges q, and q and -2q are kept at three corners of an equilateral triangle of side a. The magnitude of the electric dipole moment of the arrangement is

1.  2qa

2.  qa2

3.  qa3

4.  qa

Subtopic:  Electric Dipole |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Charge Q is distributed uniformly in a spherical region of radius R. Which if the following roughly represents the variation of the electric field (E) versus distance (r) from the center of the sphere?

1.  

2.  

3.  

4.  

Subtopic:  Electric Field |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The electric field at point A is perpendicular to the direction of the dipole moment P of a short electric dipole. The angle θ is equal to

1.  0°

2.  90°

3.  tan-12

4.  tan-12

Subtopic:  Electric Dipole |
 52%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Two charges are arranged as shown in the figure. If the electric field at the center of the circle is along the negative y-axis, then q1q2 is

1.  3

2.  13

3.  13

4.  32

Subtopic:  Electric Field |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A square of side a is lying in xy-plane such that its two adjacent sides are lying on the x and y axes. If an electric field E = E0k^ is applied on the square, then the flux passing through the square is

1.  E0a3

2.  E0a32

3.  E0a33

4.  E0a2

Subtopic:  Gauss's Law |
 75%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The electric field intensity which would be just sufficient to balance the weight of a particle of charge -10 μC and mass 10 mg, is

(Take g = 10 m/s2)

1.  10 N/C, in an upward direction

2.  103 N/C, in a downward direction

3.  10 N/C, in a downward direction

4.  104 N/C, in an upward direction

 

Subtopic:  Electric Field |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh