StudentAidUnit 16: Electrostatics — Mcqs
12th Class Physics · Unit 16: Electrostatics
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MCQ1.Choose the correct answer: What is the work done on an electron by a potential difference of 100 volts?
MCQ2.A parallel plate capacitor of capacitance 50 μF is connected to a battery of 12 volts, the charge stored on each plate is:
MCQ3.If a dielectric is inserted between the plates of a charged capacitor, the potential difference across the plates:
MCQ4.The potential energy of a system of two charges 8 μC and −8 μC separated by a distance 2 m is:
- a 8 × 10⁻⁶ / πε₀ J
- b +16 × 10⁻⁶ / πε₀ J
- c −8 × 10⁻⁶ / πε₀ J
- d −16 × 10⁶ / πε₀ J
MCQ5.The electric potential at a point A is 50 V and at B is 80 V. If the electric field between the charges is uniform, what can be said about the motion of positive charge from A to B?
MCQ6.The rate of charging or discharging the capacitor depends upon the product of resistance and:
MCQ7.In a charged capacitor, the energy resides in:
MCQ8.A capacitor of capacitance 1 μF is subjected to 4000 volts potential difference, the energy stored in it is:
MCQ9.The electric potential energy of a point charge q at some point in an electric field is equal to:
MCQ10.The time constant of a capacitor discharging through a resistor is the time in seconds in which the initial charge Q₀ drops to: