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Home ‣ Electrical Engineering ‣ Branch, Loop and Node Analyses See What Others Are Saying!
  • Question

  • The node voltage method is based on Kirchhoff's voltage law.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • More questions

    • 1. A three-phase △-connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When I ?a = 12 ∠30° A, what are the polar expressions for the other phase currents?

    • Options
    • A. I ?b = 12 ∠150° A, I ?c = 12∠?90° A
    • B. I ?b = 12∠120° A, I ?c = 12∠30° A
    • C. I ?b = 12∠30° A, I ?c = 12∠120° A
    • D. I ?b = 12∠90° A, I ?c = 12∠90° A
      • Discuss
    • 2. A 6 V battery is connected to a 300 Ω load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load?

    • Options
    • A. 1 h
    • B. 200 h
    • C. 2,000 h
    • D. 10 h
      • Discuss
    • 3. Total parallel capacitance is less than that of the smallest capacitor in parallel.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A 120 Ω load is connected across a voltage source with VS = 12 V and RS = 8 Ω. The voltage across the load is

    • Options
    • A. 11.25 V
    • B. 0 V
    • C. 12 V
    • D. 1.13 V
      • Discuss
    • 5. Find RN for the circuit given.


    • Options
    • A. 34 Ω
    • B. 68 Ω
    • C. 120 Ω
    • D. 154 Ω
      • Discuss
    • 6. A 120 V voltage source has a source resistance, RS, of 60 Ω. The equivalent current source is

    • Options
    • A. 2 A
    • B. 4 A
    • C. 200 mA
    • D. 400 mA
      • Discuss
    • 7. When the plate area of a capacitor increases,

    • Options
    • A. the capacitance increases
    • B. the capacitance decreases
    • C. the capacitance is unaffected
    • D. the voltage it can withstand increases.
      • Discuss
    • 8. Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is

    • Options
    • A. 46.8 Ω
    • B. 4.68 Ω
    • C. 23.41 Ω
    • D. 11.70 Ω
      • Discuss
    • 9. Referring this figure, on the falling edge,


    • Options
    • A. the resistor voltage drops to ?5 V and then goes back to zero exponentially
    • B. the resistor voltage jumps to ?5 V and then goes back to zero exponentially
    • C. the capacitor voltage remains constant
    • D. the resistor voltage jumps to +5 V and then decreases exponentially to zero
      • Discuss
    • 10. An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately

    • Options
    • A. 55 Ω
    • B. 5.5 Ω
    • C. 50 Ω
    • D. 9 Ω
      • Discuss

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