(n) ____________________ is a solid-state device similar to a silicon controlled rectifier (SCR), except that it will conduct both the positive and negative portions of a waveform.

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


triac

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Overload relays are intended to disconnect the motor from the power line in the event ____.

a. that the motor nameplate is destroyed b. the timing relays cut out the starting resistors c. that the current draw becomes excessive d. of a voltage unbalance

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An example of a cover crop is corn

Indicate whether the statement is true or false

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A scaling adder is used as a four-input analog-to-digital converter. If the 2^2 input resistance is 16 k?, what is the value of the 2^3 resisttor?

A) 4 k? B) 32 k? C) 256 k? D) 8 k?

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In a series RL circuit, as the phase angle between the applied voltage and the total current increases, this is the same as:

A) apparent power decreasing. B) power factor increasing. C) true power decreasing. D) power factor decreasing.

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