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Electric Circuits

Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 No units.
 Ohm.
 Either Ohm or Mho.
 Mho.

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 5 A
 3.33 A
 1 A
 23.33 A

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

  3 Ω and 6 Ω.
  1.5 Ω and 3 Ω.
 6 Ω and 9 Ω.
 3 Ω and 9 Ω.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 7.07 mA.
 28.28 mA.
 14.14 mA.
 0.707 mA.

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 V / {R + (sL + 1 / Cs)}.
 (V*L) / (R*C)
 V/R.
 0.

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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?

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

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