The ____ wave is the most basic and widely used of all the AC waveforms.
A. sine
B. square
C. triangular
D. sawtooth
Answer: A
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To prevent an unauthorized scanning of the vehicle security ID number, the code ________ with each use of the system
A) Is erased B) Changes C) Is incremented by 1 D) Is reversed
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A driver circuit
A) couples a low-current source to a higher-current device B) couples a low-impedance source to a high-impedance device C) provides regenerative feedback in a switching circuit D) directs a signal to one of n devices
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Low-voltage thermostats usually control which type of voltage?
A. 24 B. 115 C. 220 D. all of the above E. both b and c
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Live five common types of switches.
What will be an ideal response?
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