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Quiz 1
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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 ___________
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
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