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Electric Circuits

Electric Circuits
In series RLC circuit which of the following represents the Q factor ?

 VR/V
 XC/R
 XL/R
All of these

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 360W.
 180W.
 90W.
 60W.

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Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 100 A.
 6 A.
 600 A.
 1 A.

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Electric Circuits
The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 50 Ohms.
 100 Ohms.
 200 Ohms.
 25 Ohms.

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Electric Circuits
Rms value is defined based on which of the following?

 Current
 Voltage
 Charge transfer
 Heating effect

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

 1msec
 100sec
 4msec
 2msec

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MORE MCQ ON Electric Circuits

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