Title: SSR and MOV Quiz
Course: 15/SP Power Electronics Theory (ELTR-2560-31) > Section: Learning Modules

Q: A transducer converts form of ___________ to __________.
- light, current
- energy, another
- power, heat
- heat, voltage
A: energy, another

Q: A __________ is a device that senses a magnetic field.
- thermistor
- photovoltaic cell
- photoconductive cell
- hall effect
A: hall effect

Q: MOVs can be considered _______ sensitive __________ resistors.
- current, variable
- current, high accuracy
- voltage, high accuracy
- voltage, variable
A: voltage, variable

Q: MOVs stands for _____________.
- metal oxide varistor
- magnesium oxide variable-resistor
- maximum oscillator varistor
- minumum oscillation varistor
A: metal oxide varistor

Q: Compared to solenoid operated relays, electronic relays are __________.
- quieter
- faster
- more durable
- all of these
A: all of these

Q: A solid state relay with a transistor in the output circuit can operate _______ loads.
- only AC
- only DC
- both AC and DC
- only AC\DC
A: only DC

Q: A solid state relays will contain __________ between the input and output circuit.
- an inductor
- a capacitor
- isolation (optical isolation)
- a short circuit
A: isolation (optical isolation)

Q: The power for a load connected to a solid state relay comes from the solid state relay, a seperate power supply for the load is not needed.
- True
- False
A: False

Q: The symbol represents a ________.     <img width="109" height="52" align="bottom" alt="mc009-1.jpg" src="ppg/examview/PE_mov_solid_state_relay/00001_res/mc009-1.jpg" border="0">
- MOV surge arrestor
- Triac
- Diac
- UJT
A: MOV surge arrestor

Q: Surge arrestors are usually connected ______.
- in series with the load
- line to ground
- line to line
- anit-parrallel
A: line to ground

Q: For the best protection, MOVs are sized __________ than the normal expected voltage.
- much higher
- much lower
- slightly higher
- slightly lower
A: slightly higher