The current in amperes drawn by the heater is
a. 0.1 c. 144,000
b. 10 d. none of the above
B
You might also like to view...
Specific Heat: In a flask, 114.0 g of water is heated using 67.0 W of power, with perfect efficiency. How long will it take to raise the temperature of the water from 15°C to 25°C? The specific heat of water is 4186 J/kg ? K.
A. 71 s B. 4.1 s C. 17 s D. 320,000 s
Which of the following is an example of Heisenberg's uncertainty principle?
A) The unpredictability of radioactive decay. B) The unpredictability of a coin toss. C) Both of the above. D) The unpredictability of the weather. E) All of the above.
A Boeing-737 airliner has a mass of 30,000 kg. The total area of the wings is 100 m2 . What must be the pressure difference between the top and bottom of the wings to keep the airplane up?
a. 1960 Pa c. 7840 Pa b. 2940 Pa d. 15,700 Pa
For a mass suspended on a spring in the vertical direction, the time for one complete oscillation will depend on:
a. the value for g (the acceleration due to gravity). b. the distance the mass was originally pulled down. c. the maximum speed of the oscillating mass. d. the time doesn't depend on any of the above.