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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 0A
 5A
 10A
 1A

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel C.
 Series C.
 Parallel L.
 Series L.

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Electric Circuits
Kirchhoff’s voltage law is used for

 nodal analysis.
 representing a current source.
 finding equivalent resistance.
 loop analysis.

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 zero
 unity
 lagging
 leading

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

 Over damping
 Both 2 and 3
 Under damping
 Critical damping

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

 4.
 0.25.
  2.
  0.5.

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