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Electric dipole moment of the system is

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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 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
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 11

A charge $Q$ is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will 

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 12
The net torque acting on dipole placed in uniform electric field may be (symbols have usual meaning)
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 13
Which of the following is not a property of electrostatic field lines ?
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 14
The electric field is given by E→=(5i^+8j^+9k^), the electric flux through surface, whose area vector is given by A→=10i^, would be