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Electric Circuits

Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 2R/3.
 R.
 R/2.
 3R/2.

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Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Leading
 Unity
 Zero
 Lagging

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Electric Circuits
Which variety of copper has the best mechanical strength ?

  Soft copper.
  Annealed copper.
  Hard drawn copper.
  Cast copper.

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Electric Circuits
Reactive power drawn by a pure resistor is

 0
 maximum
None of these
 minimum

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Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 100sec
 1msec
 2msec
 4msec

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 5V
 4V
 2V
 9V

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MORE MCQ ON Electric Circuits

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