Electronic Devices-Voltage Regulators
Electronic Devices-Voltage Regulators
31. For what range of load current can voltage regulators be selected for operation?
- Hundreds of picoamperes to tens of nanoamperes
- Hundreds of picoamperes to tens of milliamperes
- Hundreds of milliamperes to tens of amperes
- None of the above
33. What type of regulator offers inherent short-circuit protection?
- shunt regulators
- series regulators
- three-terminal regulators
- switching regulators
34. The larger the value of the capacitor, the smaller the peak current drawn through the rectifying diodes.
- TRUE
- FALSE
35. In a shunt linear regulator, the control element is a(n) ________ in parallel with the load.
- inductor
- capacitor
- transistor
- [NIL]
36. For what range of fixed regulated voltages do the series 78xx regulators provide regulation?
- +5 V to +24 V
- +5 V to +24 V
- –5 V to –24 V
- None of the above
37. In a series linear regulator, the control element is a(n) ________ in series with the load.
- inductor
- capacitor
- transistor
- [NIL]
38. ________ regulation can be defined as the percentage change in the output voltage for a given change in the input voltage.
- Line
- Load
39. A ________ -wave rectified signal has less ripple than a ________ -wave rectified signal and is thus better to apply to a filter.
- full, half
- half, full
40. A pass transistor may be used in a series regulator, as the current-carrying device.
- TRUE
- FALSE