If an electric toaster rated at 110 V is accidently plugged into a 220-V outlet, the current drawn by the toaster will be
A) half its normal value.
B) the same as its normal value.
C) twice its normal value.
D) none of the above
Answer: C
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The process where a plastic sheet is formed by rolling is called ___________.
Fill in the blank(s) with the appropriate word(s).
What is the relationship between Newton's three laws and Kepler's three laws?
A) Newton's laws can be derived from Kepler's laws B) Newton's laws and Kepler's laws are identical C) Kepler's laws are general and apply to any motion, while Newton's laws apply only to planetary motion in the solar system D) Newton's laws are general and apply to any motion, while Kepler's laws apply only to planetary motion in the solar system
Two adjacent sources each emit a frequency of 800. Hz in air where the velocity of sound is 340. m/s. How much farther back would the first source have to be moved so an observer in front of the sources would hear no sound?
What will be an ideal response?
A segment of wire of total length 2.0 m is formed into a circular loop having 5.0 turns. If the wire carries a 1.2-A current, determine the magnitude of the magnetic field at the center of the loop.
A. 79 ?T B. 69 ?T C. 59 ?T D. 89 ?T E. 9.4 ?T