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Electric Circuits

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

 Both 2 and 3
 Under damping
 Over damping
 Critical damping

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin50πt.
 42.4sin50πt.
 30sin25πt.
 42.4sin25πt.

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Electric Circuits
Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V?

 15 A.
 10 A.
 7 A.
 20 A.

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Electric Circuits
Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum

 8 Ohm.
 6 Ohm.
 4 Ohm.
 equal in all resistors.

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Electric Circuits
A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be

 40 Ω.
 20 Ω.
 30 Ω.
 15 Ω.

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Electric Circuits
Consider the following circuit. What is the value of i ?

  5 A.
 12 A.
 - 5 A.
 6 A.

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MORE MCQ ON Electric Circuits

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