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Electric Circuits

Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 40 µF
 160 µF
 5 µF
 10 µF

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 + ω2
 ω1 - ω2
 ω1 / ω2
 √(ω1² + ω2²)

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Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 Electrolytic.
 both (B) and (C) above.
 Glass.
 Paper.

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Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 low
 high
 unity
 zero

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -28.4 V.
 34.4 V.
 None of them
 -27.4 V.

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 360W.
 60W.
 90W.
 180W.

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