An electric iron uses 8.0 A of current and has a power rating of 1100 W. The resistance of the iron is
A. 138 Ohms.
B. 17 Ohms.
C. 0.0072 Ohms.
D. 8800 Ohms.
Answer: B
You might also like to view...
____ are small luminous nebulae excited by nearby young stars
a. T Tauri stars b. Herbig-Haro objects c. O associations d. Bok Globule e. Giant molecular clouds
John throws a baseball from the outfield from shoulder height, at an initial velocity of 39.2 m/s at an initial angle of 30.0° with respect to the horizontal. The ball is in its trajectory for a total interval of 4.00 s before the third baseman catches it at an equal shoulder-height level. (Assume air resistance is negligible.) What is the ball's horizontal displacement?
a. 76.4 m c. 136 m b. 38.2 m d. zero
The concept of molecules:
a. helps model how the law of definite proportions might work. b. proves the law of definite proportions. c. is unrelated to the law of definite proportions. d. violates the law of definite proportions. e. supports the Aristotelian concept of four basic elements.
At the North Pole, the vernal equinox Sun ________.
A. circles the pole along the horizon B. is directly overhead for the entire day C. circles the pole 23.5 degrees below the horizon D. circles the pole 23.5 degrees above the horizon E. rises north of east and sets north of west