Electronics-Magnetism and Electrom
Electronics-Magnetism and Electrom
31. What device is similar to an RTD but has a negative temperature coefficient?
- Strain gauge
- Thermistor
- Negative-type RTD
- Thermocouple
32. The silicon-controlled rectifier can be turned off
- by a negative gate pulse
- by forced commutation
- with the off switch
- when the breakover voltage is exceeded
33. The output voltage of a typical thermocouple is
- less than 100 mV
- greater than 1 V
- Thermocouples vary resistance, not voltage.
- None of the above