Power: A 200-? resistor is rated at 1/4 W. What is the maximum voltage that can safely be connected across it?
A. 0.71 V
B. 7.1 V
C. 50 V
D. 0.25 V
Answer: B
Physics & Space Science
You might also like to view...
Which mechanism(s) of heat transfer will work in a vacuum?
a. conduction b. convection c. radiation d. none of the above
Physics & Space Science
In size and density, both Io and Europa resemble
A) our Moon. B) Pluto. C) Mars. D) Mercury. E) Charon.
Physics & Space Science
A light bulb, sold as long-lasting, is rated 95 W at 145 V. The "increased" lifetime comes from using it at 110 V. Assuming negligible change in resistance at the different voltage, what is its power consumption at 110 V?
a. 55 W b. 170 W c. 190 W d. 47 W e. 110 W
Physics & Space Science
About how many times larger in diameter is a 
nucleus than an 
nucleus?
A. 2.37 B. 1.54 C. 1.33 D. They are about the same size. E. Some other factor (specify)
Physics & Space Science