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Electric Circuits

Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

All of these
 XL < R
 XL > R
 XL = R

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 Both 2 and 3
 R
 C
 L

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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.
 F.
 F εr.
 εr/F.

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Electric Circuits
The mass of a proton is

 1.602 × 10 - 19 Kg.
 1.609 × 10 - 31 Kg.
 1.675 × 10 - 27 Kg.
 1.672 × 10 - 27 Kg.

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Electric Circuits
How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

 1200
 10
 600
 60

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 10 × 10 6 Joule.
 5 × 10 - 2 Joule.
 10 × 10 - 3 Joule.
 5 × 10 - 3 Joule.

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