Which alternator component would most likely be damaged after the batteries were connected with reverse polarity?

A. Brushes
B. Field coil
C. Stator windings
D. Rectifier diodes


Answer: D

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The internal source resistance of a microphone and the capacitance of the microphone cable form what type of filter network at the input of the amplifier?

A. High-pass filter B. Low-pass filter C. Bandpass filter D. Notch filter

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A signal source measures 90dB at 1m. Calculate the decibel loss at 7m.

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

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What are some of the consequences if livestock grazing was discontinued on federal lands in the western United States?

What will be an ideal response?

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If an RC integrator uses a 47?F capacitor, a 12 k? resistor and a square wave input with a frequency of 200 kHz, its approximate output is ________

A) a square wave with a frequency of 100 kHz B) a near dc voltage of about half the peak square wave voltage C) a square wave with a frequency of 200 kHz D) 0 V

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