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Home ‣ Electrical Engineering ‣ Voltage, Current and Resistance See What Others Are Saying!
  • Question

  • A thermistor is a type of


  • Options
  • A. switch
  • B. resistor
  • C. battery
  • D. power supply

  • Correct Answer
  • resistor 

    • More questions

    • 1. Determine IN for the circuit consisting of VS, R1, R2, and R3 shown in the given circuit.


    • Options
    • A. 676 mA
    • B. 245 mA
    • C. 431 mA
    • D. 75 mA
      • Discuss
    • 2. Referring to the given circuit, determine VTH and RTH if a 68 Ω resistor is connected in parallel across R2 and R3.


    • Options
    • A. 3.3 V, 148 Ω
    • B. 330 mV, 148 Ω
    • C. 3.3 V, 68 Ω
    • D. 330 mV, 68 Ω
      • Discuss
    • 3. What is (79 × 106)/(12 × 10?8)?

    • Options
    • A. 6,580 × 1012
    • B. 658 × 1010
    • C. 6.58 × 1014
    • D. 0.658 × 1016
      • Discuss
    • 4. What is the voltage drop across R1?


    • Options
    • A. 850 mV
    • B. 7.82 V
    • C. 9.18 V
    • D. 918 mV
      • Discuss
    • 5. Find the current through R2 of the given circuit.


    • Options
    • A. 30.7 mA
    • B. 104 mA
    • C. 74 mA
    • D. 134 mA
      • Discuss
    • 6. With an RL integrator, at the instant of the rising pulse edge,

    • Options
    • A. all the input voltage is across the resistor
    • B. all the input voltage is across the inductor
    • C. 63 percent of the input voltage is across the resistor
    • D. 63 percent of the input voltage is across the inductor
      • Discuss
    • 7. If the capacitor in an integrator opens, the output has the same voltage as the input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Ampere-turn is the unit of magnetomotive force (mmf).

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Hysteresis is the number of lines of force per unit area in a magnetic field.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. To understand how the output voltage is shaped by a differentiator, you must consider

    • Options
    • A. the response to the rising pulse edge
    • B. the response between the rising and falling edges
    • C. the response to the falling pulse edge
    • D. all of the above
      • Discuss

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