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  • Question
  • A sinusoidal voltage has peak to peak value of 100 V. The rms value is


  • Options
  • A. 50 V
  • B. 70.7 V
  • C. 35.35 V
  • D. 141.41 V

  • Correct Answer
  • 35.35 V 

    Explanation
    Peak value = 50 V, rms value = A sinusoidal voltage has peak to peak value of 100 V. The rms value is 50 V 70.7 V 35.35 V 141.41 V = 35.35 V.

    Networks Analysis and Synthesis problems


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    • 1. An RLC series circuit is underdamped. To make it overdamped, the value of R

    • Options
    • A. has to be increased
    • B. has to be decreased
    • C. has to be increased to infinity
    • D. has to be reduced to zero
    • Discuss
    • 2. In a minimum function

    • Options
    • A. the degree of numerator and denominator are equal
    • B. the degree of numerator and denominator are unequal
    • C. the degree of numerator is one more than degree of denominator
    • D. the degree of numerator is one less than degree of denominator
    • Discuss
    • 3. Which of the following pairs are correctly matched?

      1. Brune's realisation : realisation with ideal transformer.
      2. Cauer realisation : ladder realisation.
      3. Bott Duffin realisation : with non ideal transformer.
      Select the answer using the following codes:

    • Options
    • A. 1, 2 and 3
    • B. 2 and 3
    • C. 1 and 3
    • D. 1 and 2
    • Discuss
    • 4.  and i(t) is a unit step, then V(t) in the steady state is given by

    • Options
    • A. 4/9
    • B. 4/3
    • C. 0
    • D. ?
    • Discuss
    • 5. In the circuit shown in given figure, the values of i(0+) and I(?), will be respectively

    • Options
    • A. zero and 1.5 A
    • B. 1.5 A and 3 A
    • C. 3 A and zero
    • D. 3 A and 1.5 A
    • Discuss
    • 6. A series RC circuit has R = 5 ? and C = 10 ?F. The current in the circuit is 5 sin 20000t. The applied voltage is

    • Options
    • A. 252 sin (20000t + 45°)
    • B. 252 sin (20000t - 45°)
    • C. 252 sin 20000t
    • D. 252 sin (20000t - 90°)
    • Discuss
    • 7. A 3 phase balanced supply feeds 3 phase unbalanced load. Power supplied to the load can be measured by using

      1. 2 wattmeter
      2. one wattmeter
      3. 3 wattmeter
      Which of the above statements is correct?

    • Options
    • A. 1 and 2
    • B. 1 and 3
    • C. 2 and 3
    • D. 3 alone
    • Discuss
    • 8. The driving-point impedance Z(s) of a network has a pole-zero locations as shown in the figure. If Z(0) = 3, then Z (s) is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 9. The degree of the nodes 1, 2, 3, 4 is

    • Options
    • A. 2
    • B. 3
    • C. 2 for 1, 2, 3, and 3 for 4
    • D. all 3
    • Discuss
    • 10. In the circuit of figure the voltage across capacitor when switch is closed at t = ? is

    • Options
    • A. 0 V
    • B. 20 V
    • C. very large
    • D. 7.5 V
    • Discuss


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