The amount of energy converted to light by an incandescent light bulb is about
A) 10% and the amount converted to heat about 90%
B) 90% and the amount converted to heat about 10%.
C) either of these depending on the brand.
Answer: A
Physics & Space Science
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A body moving with constant speed cannot be accelerating
Indicate whether the statement is true or false
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A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is 60 lbs
a. True b. False Indicate whether the statement is true or false
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An object that is negatively charged will
a. attract a rubber rod stroked with fur. b. attract a glass rod stroked with silk. c. be polarized. d. none of these
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