Determine R when I = 0.20 A and ? = 18 V.
A. 50 ?
B. 8.0 ?
C. 10 ?
D. 20 ?
E. 30 ?
Answer: D
You might also like to view...
Which of these seems the best present answer to the horizon and flatness problems?
A) The superforce rules creation. B) Dark Energy speeds the universe on out to infinity. C) symmetry in creation of particles and antiparticles D) the inflationary epoch E) the GUT theory
The image viewed in a telescope is a magnified virtual image. To achieve this, a telescope must have
A. a negative eyepiece lens with a large focal length. B. a positive eyepiece lens with a small focal length. C. a negative objective lens with a large focal length. D. a positive objective lens with a small focal length.
An ideal fluid, of density 0.90 × 10^3 kg/m3, flows at 12 m/s through a level pipe with radius of 0.50 cm. The pressure in the fluid is 1.3 × 10^5 N/m2 . This pipe connects to a second level pipe with a radius of 1.5 cm. Find the speed of flow in the second pipe
a. 54 m/s c. 0.67 m/s b. 1.3 m/s d. 0.33 m/s
Any object that is warmer than its surroundings will
A) absorb heat. B) emit radiation. C) reflect heat. D) become denser.