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Total electric flux associated with unit positive charge in vacuum 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 47
A charged body has an electric flux F associated with it. Now if the body is placed inside a conducting shell then the electric flux outside the shell is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 48
A cylinder of radius R and length L is placed in a uniform electric field E parallel to the cylinder axis. The outward flux over the surface of the cylinder is given by
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 49
A rectangular surface of sides 10 cm and 15 cm is placed inside a uniform electric field of 25 V m-1, such that the surface makes an angle of 30° with the direction of electric field. Find the flux of the electric field through the rectangular surface
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 50
If an electric field is given by 10i^+3j^+4k^, calculate the electric flux through a surface of area 10 units lying in y z plane
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 51
There is uniform electric field of 8×103 i^ N C-1. What is the net flux (in SI units) of the uniform electric field through a cube of side 0.3 m oriented so that its faces are parallel to the coordinate plane ?
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 52
A charge Q is kept at the corner of a cube. Electric flux passing through one of those faces not touching that charge is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 53
The electric field in a region is radially outward and at a point is given by E=250 r V m-1 (where r is the distance of the point from origin). Calculate the charge contained in a sphere of radius 20 cm centred at the origin
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>Assignment>Q 54
An isolated solid metal sphere of radius R is given an electric charge. Which of the graphs below best shows the way in which the electric field E varies with distance x from the centre of the sphere ?