A 60.0-Hz ac generator with a peak voltage of 110 V drives a series RL circuit with R = 10.0 ? and L = 10.0 mH. The peak current in the circuit is
a. 0.963 A.
b. 10.3 A.
c. 11.0 A.
d. 11.9 A.
e. 29.2 A.
b
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Conversion of Units: The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters? (2.54 cm = 1.00 in.)
A. 1510 cm B. 591 cm C. 2520 cm D. 3810 cm E. 38,100 cm
Work-Energy Theorem: On an alien planet, an object moving at 4.0 m/s on the horizontal ground comes to rest after traveling a distance of 10 m. If the coefficient of kinetic friction between the object and the surface is 0.20, what is the value of g on that planet?
A. 4.0 m/s2 B. 6.0 m/s2 C. 8.0 m/s2 D. 10 m/s2 E. 12 m/s2
In a composite material, the electrical resistivity for current parallel to the axis of the 2nd phase follows the rule of
(a) Mathiessen. (b) Nordheim. (c) Mixtures. (d) Fermi-Dirac.
Capacitors in Combination: A system of four capacitors is connected across a 90-V voltage source as shown in the figure.(a) What is the potential difference across the plates of the 6.0-µF capacitor?(b) What is the charge on the 3.0-µF capacitor?
Fill in the blank(s) with the appropriate word(s).