What is the power output in an ac series circuit with 12.0 ? of resistance, 15.0 ? of inductive reactance, and 10.0 ? of capacitive reactance, when the circuit is connected to a 120-V rms power supply?
A) 3.21 kW B) 4.49 kW C) 1.02 kW D) 6.00 kW
C
Physics & Space Science
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The microwave background radiation:
a. represents the leftover glow from the Big Bang. b. had its slight non-uniformity measured by COBE. c. was discovered by Penzias and Wilson. d. All of the above.
Physics & Space Science
The Moon's composition is similar to Earth's ________
Fill in the blank(s) with correct word
Physics & Space Science
Two vectors, of magnitudes 20 mm and 50 mm, are added together. Which one of the following is a possible value for the magnitude of the resultant?
A) 10 mm B) 20 mm C) 40 mm D) 80 mm
Physics & Space Science
Thermodynamic Processes: The figure shows a pV diagram for 0.0077 mol of ideal gas that undergoes the process 1 ? 2 ? 3. What is the volume V3? (R = 8.31 J/mol ? K)
A. 770 cm3 B. 260 cm3 C. 520 cm3 D. 400 cm3
Physics & Space Science