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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Newton
 Ampere turn
  Tesla
 Weber

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Electric Circuits
The rms value of sinusoidal voltage wave V = 200sinω0t

 200√2 V.
 200 V.
 100√2 V.
 100 V.

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Electric Circuits
Specific resistance is measured in

  ohm.
  ohm/cm.
  ohm - cm.
  mho.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 1 / G1 + 1 / G2 + 1 / G3.
 G1 + G2 + G3.
 (G1 + G2 + G3) - 1.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

 (20 + j10) Ω.
  (10 + j30) Ω.
 40 Ω.
 (5 + j10 / 3) Ω.

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Electric Circuits
A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

 30 pF.
 32 pF.
 None of them.
 36.6 pF.

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MORE MCQ ON Electric Circuits

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