CBSE 12th Standard Physics Subject Electrostatic Potential And Capacitance HOT Questions 3 Mark Questions 2021
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CBSE 12th Standard Physics Subject Electrostatic Potential And Capacitance HOT Questions 3 Mark Questions 2021
12th Standard CBSE
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Reg.No. :
Physics
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On what range of separation between the charges, the coulomb's force law is found valid?
(a) -
A charge is situated outside an uncharged hollow conductor experiences a force if another charge B is placed inside the conductor, but B does not experience any force. Why? Does it not violate the third law of motion ?
(a) -
Can two balls having same kind of charge on them attract each other? Explain.
(a) -
An infinite number of charges each equal to q, are placed along X-axis at x = 1, x = 2, x = 4, x = 8, ............... and so on.
(i) Find the electric field at a point x = 0 due to this set up of charges.
(ii) What will be the electric field if in the above set up the consecutive charges have opposite signs.(a) -
An uncharged capacitor is connected to a battery. Show that half the energy supplied by the battery is lost as heat while charging the capacitor.
(a)
