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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

 current
None of these
 voltage
 power

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Electric Circuits
What is a resistor?

 Inductor
 Hello
 Test
 Capacitor

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Electric Circuits
A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

 None of them.
 32 pF.
 36.6 pF.
 30 pF.

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Electric Circuits
During charging, the electrolyte of a lead acid battery becomes

 there is no change in electrolyte.
 stronger.
 diluted with water.
 weaker.

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Electric Circuits
In which of the following oscillations are not present?

 Over damping
 Critical damping
 Under damping
 Both 2 and 3

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 50 V.
 60 V.
 20 V.
 30 V.

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MORE MCQ ON Electric Circuits

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