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Electric Circuits

Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 28.28 mA.
 0.707 mA.
 14.14 mA.
 7.07 mA.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 0.
 εr/F.
 F εr.
 F.

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Electric Circuits
Active filter consists of

 capacitor.
 op-amp and capacitor.
 op-amp.
 inductor.

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Electric Circuits
A dependent source can be

 neither a voltage nor a current source.
 a current source.
 a voltage source.
 both a voltage or a current source.

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Electric Circuits
The unit of electric field intensity is

 F / m.
 F/ m2.
 N / Ampere.
 N / C.

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Electric Circuits
The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is

 30A.
 17.3A .
 22.4A.
 14.14A.

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