What is the potential difference Vb?Va shown in the circuit below.
A. ?8.0 V
B. +8.0 V
C. ?18 V
D. +18 V
E. ?12 V
Answer: A
You might also like to view...
The radiation our eyes are most sensitive to lies in the color:
A) red at 6563 Angstroms. B) yellow-green at about 550 nm. C) violet at 7,000 Angstroms. D) blue at 4,321 nanometers. E) black at 227 nm.
A resistor operated at 120 V dc is rated at 1.40 kW
(a) What is the normal operating current through the resistor? (b) What is the resistance of the resistor?
Diamond has an index of refraction of 2.419 . What is the critical angle for internal reflection inside a diamond that is in air?
a. 24.4° b. 48.8° c. 155° d. 131°
When car shock absorbers wear out and lose their damping ability, what is the resulting oscillating behavior?
a. underdamped c. overdamped b. critically damped d. hyperdamped