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ECE :: Network Analysis and Synthesis

Network Analysis and Synthesis - Section 1
Network Analysis and Synthesis - Section 2
Network Analysis and Synthesis - Section 3
Network Analysis and Synthesis - Section 4
Network Analysis and Synthesis - Section 5
Network Analysis and Synthesis - Section 6
Network Analysis and Synthesis - Section 7
Network Analysis and Synthesis - Section 8
Network Analysis and Synthesis - Section 9
Network Analysis and Synthesis - Section 10
Network Analysis and Synthesis - Section 11
Network Analysis and Synthesis - Section 12
Network Analysis and Synthesis - Section 13
Network Analysis and Synthesis - Section 14
Network Analysis and Synthesis - Section 15
Network Analysis and Synthesis - Section 16
Network Analysis and Synthesis - Section 17
Network Analysis and Synthesis - Section 18
Network Analysis and Synthesis - Section 19
Network Analysis and Synthesis - Section 20
Network Analysis and Synthesis - Section 21
Network Analysis and Synthesis - Section 22
Network Analysis and Synthesis - Section 23
Network Analysis and Synthesis - Section 24
Network Analysis and Synthesis - Section 25
Network Analysis and Synthesis - Section 26
Network Analysis and Synthesis - Section 27

  1. Two passive elements are connected in series and a dc voltage is applied to the circuit. The time variation of the current is shown in figure. The two elements are

    2. A.
    one resistance and the other inductance
    B.
    both resistances
    C.
    one inductance and the other capacitance
    D.
    one resistance and the other capacitance

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  2. Which statement is incorrect for parallel resonance?

    3. A.
    P.f. is 1
    B.
    Y is minimum
    C.
    B is zero
    D.
    Z is minimum

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  3. If a capacitor is charged by a square wave current source the voltage across the capacitor is

    4. A.
    triangular wave
    B.
    step function
    C.
    zero
    D.
    square wave

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  4. The equivalent resistance between terminals x and y figure is

    5. A.
    150 Ω
    B.
    45 Ω
    C.
    55 Ω
    D.
    35 Ω

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  5. The purpose of earthing electric appliances is

    6. A.
    to provide safety against shock
    B.
    to ensure that appliance works satisfactorily
    C.
    to ensure that appliance gets full voltage
    D.
    all of the above

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  6. Three impedances (3 + j 4) Ω each are connected in star. The impedances of equivalent delta circuit will be

    7. A.
    3 - j 4 Ω each
    B.
    9 + j 12 Ω each
    C.
    9 - j 12 Ω each
    D.
    3 + j 4, 3 - j 4 and 4 - j 3 Ω

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  7. Find Vth in the circuit

    8. A.
    100 V
    B.
    10 V
    C.
    0 V
    D.
    5 V

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  8. A heater is rated at 230 V, 5 A AC. Then

    9. A.
    both the current and voltage are peak values
    B.
    both the current and voltage are rms values
    C.
    the current is peak value and voltage is rms value
    D.
    the current is rms value and voltage is peak value

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  9. KCL is a statement of principle of conservation of energy.

    10. A.
    True
    B.
    False

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  10. In an underdamped RLC series circuit, the natural frequency is ωn. The frequency of damped oscillations is

    11. A.
    ωn
    B.
    less than ωn
    C.
    more than ωn
    D.
    2 ωn

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