NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Electronics MCQs (Practice_Test 3 of 13)

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  1. Consider the parallel RLC circuit having R = 1, L = 1H, C = 1F. What type of response will the circuit produce?
    1. Under damped
    2. Over damped
    3. Critically damped
    4. none of these
    • Answer: a
  2. How much inductance is needed to resonate at 5 kHz with a capacitance of 12nF?
    1. 2652 H
    2. 11.844 H
    3. 3.333 H
    4. 84.33 mH
    • Answer: d
  3. The difference between the half power frequencies is called the
    1. quality factor
    2. resonant frequency
    3. bandwidth
    4. cutoff frequency
    • Answer: c
  4. A parallel RLC circuit has C = 0.25F & L = 2H. The value of R which will create unity damping factor is
    1. 1
    2. 2
    3. 0.5
    4. 4
    • Answer: b
  5. A zero of the transfer function H (s) = 10 (s + 1) ⟋ (s + 2) (s + 3) is at
    1. 10
    2. -1
    3. -2
    4. -3
    • Answer: b
  6. On the Bode magnitude plot, the slope of the pole 1⟋ (5 + j?) 2 is
    1. 20 dB⟋decade
    2. 40 dB⟋decade
    3. -40 dB⟋decade
    4. -20 dB⟋decade
    • Answer: c
  7. On the bode phase plot, the slope of 1 + j10w-w ^ ^ 2 is
    1. 45° ⟋decade
    2. 90° ⟋decade
    3. 135° ⟋decade
    4. 180° ⟋decade
    • Answer: d
  8. In an electric circuit, the dual of resistance is
    1. conductance
    2. capacitance
    3. open circuit
    4. inductance
    • Answer: a
  9. In a series RLC circuit, which of these quality factors has the steepest curve at resonance?
    1. Q = 20
    2. Q = 12
    3. Q = 8
    4. Q = 4
  • Answer: d

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