If an electric toaster operating on 120 volts draws a current of 6 amperes, the resistance of the toaster is 20 ohms
a. True
b. False
Indicate whether the statement is true or false
True
Physics & Space Science
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In a plane wave, the wavefronts are
a. circular b. flat c. parallel d. perpendicular to the direction of propagation
Physics & Space Science
Why was a knowledge of the stars so important to Polynesians?
What will be an ideal response?
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Grass appears green because
A) it emits green light and absorbs other colors. B) it absorbs green light and emits other colors. C) it transmits green light and emits other colors. D) it reflects green light and absorbs other colors.
Physics & Space Science
T and b quarks are named
a. truth and beauty. b. up and down. c. top and bottom. d. Itchy and Scratchy. e. none of the above.
Physics & Space Science