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Electric Circuits

Electric Circuits
In active filter which element is absent?

 Inductor.
 Resistor.
 Capacitor.
 Both of above.

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Electric Circuits
Condition for reciprocity in case of ABCD parameters is

  AB-CD = 0.
 AD-BC = 0.
 AB-CD = 1.
 AD-BC = 1 .

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 5V
 4V
 2V
 9V

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 ε0
 εr/ε0
 εrε0
 εr

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 6.98.
 9.59.
 - 6.28.
 - 9.59.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

  111 ± 0 Ω.
 111 ± 7.23 Ω.
 111 ± 2.77 Ω.
  111 ± 5.55 Ω.

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