Most transistors are identified by a number. This number begins with a 2 and the letter N and has up to ____ more digits.

A. two
B. three
C. four
D. five


Answer: C

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The Allen-Bradley up counter consists of a counter block that contains the up counter address, the preset value, and the ____________________ value.

Fill in the blank(s) with the appropriate word(s).

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Equipment ground-fault protection can sometimes be avoided by using multiple disconnects each rated less than ____________________ amperes.

Fill in the blank(s) with the appropriate word(s).

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If the size of a capacitor in an AC circuit increases from 10 ? F to 20 ? F and the frequency stays the same, the capacitive reactance will ________

A) decrease B) increase C) remain the same

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The __________ has higher current-carrying capabilities.

A. SCR B. triac

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