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Home Electronics Thyristors and Tranducers See What Others Are Saying!
  • Question
  • What type of application would use a photovoltaic cell?


  • Options
  • A. an automobile horn
  • B. a TI 92 calculator
  • C. a magnetic field detector
  • D. a remote power source

  • Correct Answer
  • a remote power source 


  • More questions

    • 1. What procedure should be followed when troubleshooting with an ammeter or voltmeter?

    • Options
    • A. Short the leads and adjust.
    • B. Check the meter's external power supply.
    • C. Start with the highest scale and adjust down to a lower scale.
    • D. Start with the lowest scale and adjust up to a higher scale.
    • Discuss
    • 2. Voltage-divider bias provides:

    • Options
    • A. an unstable Q point
    • B. a stable Q point
    • C. a Q point that easily varies with changes in the transistor's current gain
    • D. a Q point that is stable and easily varies with changes in the transistor's current gain
    • Discuss
    • 3. Kirchhoff's voltage law states that:

    • Options
    • A. the sum of the voltage drops in a series circuit is equal to the total applied voltage
    • B. the algebraic sum of the resistances is equal to the sum of the voltages
    • C. the algebraic sum of the individual currents around a closed loop is zero
    • D. the voltages developed across each element in a series circuit are identical
    • Discuss
    • 4. Clampers are often called peak detectors.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A transformer that has 700 turns in the primary and 35 turns in the secondary has a turns ratio of 20:1.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The operands in an addition operation consist of the augend and the addend.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In a BJT, the collector current is approximately equal to the base current.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A sine wave has:

    • Options
    • A. four quadrants
    • B. two alternations
    • C. one period
    • D. all of the above
    • Discuss
    • 9. The greater the selectivity, the wider the bandwidth.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The unit of magnetic flux density is the weber.

    • Options
    • A. True
    • B. False
    • Discuss


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