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If we move in a direction opposite to the electric lines of force:

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Important Questions on Electrostatics

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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 56
The distance between two plates is 2 cm, when an electric potential of 10 volt is applied to both the plates, then the value of electric field will be -
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 58
In electrostatics the potential is equivalent to -
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 59
The potential due to a point charge at distance r is -
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 60
An object is charged with positive charge. The potential at that object will be -
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 61
Two points 0, a and 0,-a have charges q and -q respectively then the electrical potential at origin will be-
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 62
The charges of the same magnitude q are placed at four corners of a square of side a. The value of the potential at the centre of the square will be -
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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 63

Three equal charges are placid at the three corners of an isosceles triangle as shown in the figure. The statement which is true for electric potential V and the field intensity E at the centre of the triangle -

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Alpha Question Bank for Medical: Physics>Chapter 22 - Electrostatics>Exercise-1>Q 64
The potential at 0.5 Å from a proton is -