Ia a zener is connected to the inverting input of an op-amp and a source voltage is connected to the non-inverting input this circuit is most likely
A) a window comparator B) a bounded comparator
C) a non-zero level detector D) both b and c
C
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In an inductive circuit, the current must rise at an exponential rate.
Answer the following statement true (T) or false (F)
Which of the following could cause this condition?
A walk-in with TEV is 10° too warm and has the following conditions: ? Subcooling is 10° ? Superheat is 10° a. Dirty condenser b. Restriction in the liquid line c. Overcharge d. Undercharge
After a person who has received a shock has been removed from the circuit, the first thing that should be done is ___________________.
A. ask how it felt B. administer first aid C. send the person home from work D. tell the supervisor
A ten-wrap amperage multiplier is used with a(n) ____.
A. voltmeter B. clamp-on ammeter C. ohmmeter D. megger