An ac source having a maximum voltage output of 30 V is connected in series with a 50-? resistor, a 0.60-H inductor, and a 20-µF capacitor
What is the maximum charge on the capacitor when the frequency of the source is adjusted so that the circuit is in resonance?
A) 2.1 mC B) 8.4 mC C) 4.2 mC D) 0.00 mC E) 1.0 mC
A
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When most substances are heated, molecules inside move faster and occupy more space, which results in thermal
A) bending. B) expansion. C) contraction. D) heat.
How much heat energy is required to vaporize a 4.40-g ice cube at 0°C? The heat of fusion of ice is 80.0 cal/g. The heat of vaporization of water is 540 cal/g, and cwater = 1.00 cal/g/°C
a. 2 730 cal b. 3 170 cal c. 2 820 cal d. 3 520 cal e. 2 380 cal
Wave frequency could be given in
a. 1/s. b. s-1 c. Hz. d. any of these.
A compressible fluid is flowing through a pipe with a constriction. The diameter of the narrow section is 1/2 the diameter of the wide section. The density of the fluid in the narrow section is 3/4 the density of the fluid in the wide section. If the velocity of the compressible fluid is 3.600 m/s in the narrow section, then what is the velocity of the fluid in the wide section?
A. 0.675 m/s B. 0.805 m/s C. 0.250 m/s D. 0.333 m/s E. 0.500 m/s