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  • Question
  • Which one of the following statements is true for the currents in a parallel RC circuit?


  • Options
  • A. The total current is equal to the sum of the currents for the resistance and capacitance
  • B. The current always has the same amplitude and phase for every part of the circuit
  • C. The total current is less than the sum of the currents for the resistance and capacitance
  • D. The total current. is greater than the sum of the currents for the resistance and capacitance
  • E. None of the above

  • Correct Answer
  • The total current is equal to the sum of the currents for the resistance and capacitance 


  • Electronic Principles problems


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    • 1. In an intrinsic semiconductor, the number of free electrons

    • Options
    • A. Equals the number of holes
    • B. Is less than the number of holes
    • C. Is greater than the number of holes
    • D. Impossible to say
    • E. None of the above
    • Discuss
    • 2. In a pure inductor:

    • Options
    • A. ac current leads the voltage by 90 degree
    • B. ac current and voltage are exactly in phase
    • C. ac current lags the voltage by 90 degree
    • D. ac current is converted to dc voltage
    • E. None of the above
    • Discuss
    • 3. The knee voltage of a diode is approximately equal to the

    • Options
    • A. Applied voltage
    • B. Barrier potential
    • C. Breakdown voltage
    • D. Forward voltage
    • E. None of the above
    • Discuss
    • 4. Waveforms are graphs that show:

    • Options
    • A. frequency on the vertical axis and amplitude on the horizontal axis
    • B. amplitude on the vertical axis and frequency on the horizontal axis
    • C. amplitude on the vertical axis and the passage of time on the horizontal axis
    • D. the passage of time on the vertical axis and amplitude on the horizontal axis
    • E. None of the above
    • Discuss
    • 5. Which one of the following statements is true for current flowing in a series circuit?

    • Options
    • A. The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
    • B. The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
    • C. The same current flows through every part of a series circuit
    • D. The total current in a series circuit is equal to the total voltage multiplied by the total resistance
    • E. None of the above
    • Discuss
    • 6. When the graph of current versus voltage is a straight line, the device is referred to as

    • Options
    • A. Active
    • B. Linear
    • C. Nonlinear
    • D. Bipolar
    • E. None of the above
    • Discuss
    • 7. How many types of flow are there in a semiconductor?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • E. None of the above
    • Discuss
    • 8. Which one of the following is a direct statement of Ohm's law?

    • Options
    • A. The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
    • B. The total resistance of a parallel circuit is less than the value of the smallest resistance
    • C. The algebraic sum of voltages in a loop is equal to zero
    • D. The algebraic sum of currents entering and leaving a point is equal to zero
    • E. None of the above
    • Discuss
    • 9. The number of free electrons and holes in intrinsic semiconductor increases when the temperature

    • Options
    • A. Decreases
    • B. Increases
    • C. Stays the same
    • D. 0oC
    • E. None of the above
    • Discuss
    • 10. A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?

    • Options
    • A. 60 Ohm
    • B. 50 Ohm
    • C. 100 Ohm or more
    • D. 10 Ohm
    • E. None of the above
    • Discuss


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