A 100-W resistance heater is connected to a 110-V dc source. What current flows through the heater?
A) 1.1 A
B) 2.2 A
C) 3.3 A
D) 4.4 A
E) 0.91 A
E
You might also like to view...
Conservation of Momentum: A 1200-kg ore cart is rolling at 10.8 m/s across a flat friction-free surface. A crane suddenly drops 858 kg of ore vertically into the cart. How fast does the cart move just after being loaded with the ore?
A. 6.30 m/s B. 3.80 m/s C. 4.20 m/s D. 5.70 m/s
As we become older, the frequency range of human hearing
A) decreases. B) increases. C) remains relatively constant.
According to quantum theory, the electron in a particular quantum state of the hydrogen atom has
A) a definite position. B) a definite energy. C) a definite velocity. D) All of the above. E) None of the above.
A thin lens of focal length 12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. What is the size and orientation of the image?
A. 4.0 cm, inverted B. 4.0 cm, upright C. 8.9 cm, inverted D. 8.9 cm, upright E. 25 cm, upright