Why are silicon rectifiers used in meters?
What will be an ideal response?
In general, silicon rectifiers are used in meters. The rectifiers permit electron flow in one direction only. The full-wave dc output of the rectifier is impressed directly across the terminals of the dc voltmeter.
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How many gallons of irrigation water are necessary to cover one acre of ground with one inch of
water?
a. 22,000 gal c. 27,000 gal b. 25,000 gal d. 29,000 gal
Carry the answer to three decimal places. A set of 2-inch-wide by 
-inch-thick carbon brushes fits the brush holders too tightly. It is necessary to take 
inch off the width and 0.015 inch off the thickness by sanding. Give in decimal form the width dimension of the carbon brushes after sanding.
Fill in the blank(s) with the appropriate word(s).
____________________ is a mathematical formula for calculating an unknown electrical value (amps, volts, or ohms) when two values are known.
Fill in the blank(s) with the appropriate word(s).
According to the Drivers Manual, why should you limit the use of your horn?
a. On vehicles with air brakes, it can use air pressure that may be needed to stop. b. It can startle other drivers. c. The horn is not a good way to let others know you're there. d. You should keep both hands lightly gripping the steering wheel at all times.