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Electrostatic and Capacitance

Electrostatic and Capacitance
Permittivity is expressed in

Farad/meter
Weber/meter
Weber/sq-m
Farad/sq-m

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Electrostatic and Capacitance
One volt is the same as

one joule/coulomb
one joule
one coulomb/joule
one coulomb

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Electrostatic and Capacitance
The relative permittivity has the following units

Wb/m
no units
F/m
m/F

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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 ?

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

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Electrostatic and Capacitance
A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is

1.7 Ω
0.000169 Ω
170 Ω
17 Ω

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

48 µs
24 µs
2.42 µs
480 µs

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