The subsequent problems deal with the circuit below:
Note: Each question is independent and doesn't depend on results from previous questions. The only values known initially are the values provided in each question.If X=0 and R=0, and then R changes to 1, Y will be
A. 0
B. uncertain
C. 1
Answer: A
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The diac and triac are both bidirectional.
Answer the following statement true (T) or false (F)
When blowing through the vacuum supply hose, if air passes through the check valve into the booster ________
A) Replace the check valve B) Replace the booster C) Replace the vacuum pump D) The check valve is functioning properly
The bonding jumper for multiple disconnecting means is located _____.
a. on the supply side of the service disconnect b. between the equipment and the equipment grounding bus c. between the feeder panel and the equipment d. between the equipment and ground bar
When capacitors are connected in series, their total capacitance act like:
A) resistance connected in series-parallel. B) resistance connected in series. C) resistance connected in parallel. D) all of these.