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Electric Circuits

Electric Circuits
Discrete values represent which type of signal

 Analog
 Discretal
 Decimal
 Digital

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 C Farad.
 16C Farad.
 2C Farad.
 4C Farad.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 1
 1.11
 0
 2.22

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 27∠30o Ω
 30∠30o Ω.
None of these
 3∠30o Ω.

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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?

 6 A.
 1 A.
 100 A.
 600 A.

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Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 both (B) and (C) above.
 Glass.
 Electrolytic.
 Paper.

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