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Electrostatic and Capacitance

Electrostatic and Capacitance
A 2 µF, a 4 µF, and a 10 µF capacitor are connected in series. The total capacitance is less than

10 µF
4 µF
1.5 µF
2 µF

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Electrostatic and Capacitance
Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is

2 µF
8 µF
4 µF
1 µF

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Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

200 to 1600 volts
20 to 60 volts
more than 10000 volts
2000 to 3000 volts

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Voltage across the plates increases
Charge on the capacitor increases
Voltage across the plates decreases
Charge on the capacitor decreases

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Electrostatic and Capacitance
Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is

0.56 x 1015 m/s2
1.5 x 1015 m/s2
1.6 x 1015 m/s2
1.76 x 1015 m/s2

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Electrostatic and Capacitance
Which of the following is not a vector ?

Electric potential
Linear momentum
Angular momentum
Electric field

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