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WJEC A-Level Electronics Instrumentation and Timing Systems overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. A Wheatstone bridge is essentially two:

  2. When a Wheatstone bridge is balanced, its output is:

  3. A Wheatstone bridge is preferred over a single divider for a sensor because:

  4. Signal conditioning of a sensor signal does NOT normally include:

  5. The small differential output of a sensor bridge is best amplified by an:

  6. Calibration of an instrumentation system means:

  7. Timing circuits set their pulse length or frequency using the predictable:

  8. A monostable circuit, when triggered, produces:

  9. An astable circuit produces:

  10. For a 555 astable, the period is given by:

  11. If the timing capacitor in a 555 astable is increased, the output frequency:

  12. A common use of an astable circuit is as a: