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Electrostatic and Capacitance

Electrostatic and Capacitance
A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

2.42 µs
48 µs
480 µs
24 µs

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Electrostatic and Capacitance
The dissipation factor of a good dielectric is of the order of

0.0002
0.2
2.0
0.002

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Electrostatic and Capacitance
"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".The above statement is associated with

Maxwell’s first law
Maxwell’s second law
Gauss’s law
Coulomb’s square law

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Electrostatic and Capacitance
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?

It depends on applied voltage
Mica capacitor
Both will have identical value of capacitance
Ceramic capacitor

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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
4 µF
1 µF
8 µF

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Electrostatic and Capacitance
At a point is equal to the negative potential gradient at that point.

Electric flux
Magnetic flux density
Magnetic flux
Electric intensity

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MORE MCQ ON Electrostatic and Capacitance

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