Voltage Regulators Questions and Answers

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Showing 10 of 49 questions
Q31
For what range of load current can voltage regulators be selected for operation?
  • A Hundreds of picoamperes to tens of nanoamperes
  • B Hundreds of picoamperes to tens of milliamperes
  • C Hundreds of milliamperes to tens of amperes
  • D None of the above
Answer: Option C
Q32
The 7905 regulator IC provides ________.
  • A 5 V
  • B –5 V
  • C 12 V
  • D –12 V
Answer: Option B
Q33
What type of regulator offers inherent short-circuit protection?
  • A shunt regulators
  • B series regulators
  • C three-terminal regulators
  • D switching regulators
Answer: Option A
Q34
The larger the value of the capacitor, the smaller the peak current drawn through the rectifying diodes.
  • A TRUE
  • B FALSE
Answer: Option B
Q35
In a shunt linear regulator, the control element is a(n) ________ in parallel with the load.
  • A inductor
  • B capacitor
  • C transistor
  • D [NIL]
Answer: Option C
Q36
For what range of fixed regulated voltages do the series 78xx regulators provide regulation?
  • A +5 V to +24 V
  • B +5 V to +24 V
  • C –5 V to –24 V
  • D None of the above
Answer: Option B
Q37
In a series linear regulator, the control element is a(n) ________ in series with the load.
  • A inductor
  • B capacitor
  • C transistor
  • D [NIL]
Answer: Option C
Q38
________ regulation can be defined as the percentage change in the output voltage for a given change in the input voltage.
  • A Line
  • B Load
Answer: Option A
Q39
A ________ -wave rectified signal has less ripple than a ________ -wave rectified signal and is thus better to apply to a filter.
  • A full, half
  • B half, full
Answer: Option A
Q40
A pass transistor may be used in a series regulator, as the current-carrying device.
  • A TRUE
  • B FALSE
Answer: Option B

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