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When the velocity of a relativistic charged particle increases, it's specific charge

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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>EXERCISE>Q 6
Smallest unit of charge is
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 7
Find the number of electron that should be removed from a coin so that it acquires a charge of 10-6 coulomb
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 8
Two identical small bodies each of mass m and charge q are suspended from two strings each of length I from a fixed point. This whole system is taken into an orbiting artificial satellite, then find the tension in strings
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 9
Two point charges +4 q and +q are separated by distance r, where should a third point charge Q be placed that the whole system remains in equilibrium ?
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 10
If two identical spheres having charge 16μC and -8μC are kept at certain distance apart, then the force is F. They are touched and again kept at the same distance, the force becomes
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 11
A deuteron and an α-particle are placed in an electric field. The force acting on them are F1 and F2 and their accelerations are a1 and a2 respectively, then
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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 12

Three equal charges +Q each are at the corners of an equilateral triangle as shown. The intensity of electric field at O will be

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Gamma Question Bank for Medical Physics>Chapter 16 - Electric Charges and Fields>EXERCISE>Q 13
Two very small spheres A and B are charged with +10 and +20 coulomb respectively and separated by a distance of 80 cm. The electric field at point on the line joining the centres of the two spheres will be zero at almost how much distance from A ?