A wire carries a steady current of 2 A. The charge that passes a cross section in 2 s is:
A. 3.2 × 10?19 C
B. 6.4 × 10?19 C
C. 1 C
D. 2 C
E. 4 C
Answer: E. 4 C
You might also like to view...
Imagine you throw a tennis ball vertically into the air. At the exact top of its trajectory it is at rest. What is the magnitude of its acceleration at this point?
A. 9.8 m/s2
B. –9.8 m/s2
C. 0 < 
< 9.8 m/s2
D. 0
E. Other (specify)
The size of a star's image in a photo tells you how _______________ the star appears
Fill in the blank(s) with correct word
In the early 1900s, the scientist named __________ revived the idea of continental drift
a. Alfred Wegener b. Harry Hess c. Andrija Mohorovicic d. None of the above
An elevator weighing 10,000. N is supported by a steel cable. Determine the tension in the cable when the elevator is accelerated upward at 3.0 m/s2. (g = 9.8 m/s2)
A) 40. kN B) 10. kN C) 7.0 kN D) 13. kN E) 11. kN