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Electrostatic and Capacitance

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

17 Ω
170 Ω
1.7 Ω
0.000169 Ω

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Electrostatic and Capacitance
A capacitor consists of

two insulators only
two conductors only
two conductors separated by an insulator
two insulators separated by a conductor

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Electrostatic and Capacitance
Dielectric strength of a material depends on

moisture content
temperature
thickness
all of the listed here

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Electrostatic and Capacitance
The units of capacitance are

Volt/coulomb
Hennry/wb
Hennry
Coulomb/volt

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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
A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

Electrolytic Capacitor
Mica capacitor
All of the listed here
Paper capacitor

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