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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 8V
 16V
 4V
 10V

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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?

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

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Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 iL(0) = ic (0).
 i(0+)= iL(0+).
 None of these.

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Electric Circuits
A current is said to be alternating when it changes in

 direction.
 both ‘a’ and ‘b’.
 none of these.
 magnitude.

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Electric Circuits
Discrete values represent which type of signal

 Digital
 Analog
 Decimal
 Discretal

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  R / n2.
  nR .
  n2 / R.
  n2R.

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