If ? = 20 V, at what rate is thermal energy being generated in the 20-? resistor?
a.
6.5 W
b.
1.6 W
c.
15 W
d.
26 W
b
You might also like to view...
Animations that change when the device moves are one example of UX-driven interactivity.
Answer the following statement true (T) or false (F)
Two electrons are separated by 7.0 cm. What is the ratio of the electric force to the gravitational force between them? (me = 9.11 × 10^?31 kg, ke = 8.99 × 10^9 N/m2/C2, G = 6.67 × 10^–11 N/m2/kg2, and e = 1.6 × 10^?19 C)
a. 2.3E+2 b. 1.3E+20 c. 3.1E+22 d. 4.2E+42 e. 1
A 150 W light bulb is operating on a 120 V rms ac line. What is the rms current in the bulb?
A. 2.50 A B. 1.67 A C. 1.50 A D. 1.25 A E. 0.883 A
The figure shows a uniform, horizontal beam (length = 10 m, mass = 25 kg) that is pivoted at the wall, with its far end supported by a cable that makes an angle of 51° with the horizontal. If a person (mass = 60 kg) stands 3.0 m from the pivot, what is the tension in the cable?
A. 0.83 kN B. 0.30 kN C. 0.38 kN D. 0.42 kN E. 3.0 kN