Two new air-conditioning units are charged for the first time. To be fully charged, unit A needs 20 ounces of refrigerant. Unit B needs 15 ounces. Find the ratio and express as a fraction of the amount of refrigerant used in unit A to the amount used in unit B.
Fill in the blank(s) with the appropriate word(s).
4/3
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A 5-bit Johnson counter will have ________ possible stages
A) 8 B) 16 C) 10 D) 2
Which of the following is NOT an indication of worn-out, front axle shock absorbers?
A. excessive spring oscillations B. reduced suspension height C. front wheel shimmy D. excessive tire wear
Multiplication is a simplified way of ____________________ the same number many times.
Fill in the blank(s) with the appropriate word(s).
When a closed loop of wire cuts through magnetic flux lines, a current is induced into the loop. The current in the loop sets up a magnetic field that is in opposition to the original magnetic flux. This is essentially _____.
A. Coulomb's law B. Ohm's law C. Lenz's law D. Weber's law