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The number of electrons present in 2 coulomb charge are

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Important Questions on Electric Charges and Fields

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 3
The Sl unit of ε0 is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 4
Two charges q1 and q2 are r distance apart. The ratio of electrostatic forces acting on them will be
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 5
If the distance between two charges become double, then electrostatic force between them will become
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 6

Electric dipole moment of the system is

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 7
An infinite line charge produces a field of 18×1010 N C-1  at a distance of 1 m. The linear charge density is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 8
An electric dipole of dipole moment p is enclosed in a hollow sphere of radius R(R>I) where I is length of dipole. The flux through the sphere is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 9
The electric field due to a short dipole at a distance 'r' on its axis is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 10
The angle between the electric dipole moment and the electric field strength due to it on the axial line is