Q.1
A periodic voltage v (t) = 1 + 4 sin ωt + 2 cos ωt is applied across aresistance. The power dissipated is ____________
  • a) 1 W
  • b) 11 W
  • c) 21 W
  • d) 24.5 W
Q.2
A constant k high pass p section has a characteristic impedance ofΩ at f = ∞. At f = fc, the characteristic impedance will be?
  • a) 0
  • b) ∞
  • c) 300 Ω
  • d) More than 300 Ω
Q.3
In the circuit given below, the current through R is 2 sin 8t. The value of R is ___________
Questionnetwork-theory-questions-answers3.jpg
  • a) (0.18 + j0.72)
  • b) (0.46 + j1.90)
  • c) – (0.18 + j1.90)
  • d) (0.23 – 0.35 j)
Q.4
Permeability is analogous to _____________
  • a) Conductivity
  • b) Resistivity
  • c) Retentivity
  • d) Coercivity
Q.5
A resistance and an inductance are connected in parallel and fed fromHz ac mains. Each branch takes a current of 5 A. The current supplied by source is ____________
  • a) 10 A
  • b) 7.07 A
  • c) 5 A
  • d) 0 A
Q.6
A triangular Pulse ofV peak is applied to a capacitor of 0.1 F. The change of the capacitor and its waveform shape is ___________
  • a) 10 rectangular
  • b) 5 rectangular
  • c) 5 triangular
  • d) 10 triangular
Q.7
AμF capacitor is charged from a 5 volt source through a resistance ofkΩ. The charging current offerm sec. If the initial voltage on C is – 3 V is ___________
  • a) 0.56 mA
  • b) 5.6 mA
  • c) 6 mA
  • d) 5 μA
0 h : 0 m : 1 s