Impedance: A 25.0-mH inductor, a 2.00-?F capacitor, and a certain resistor are connected in series across an ac voltage source at 1.00 kHz. If the impedance of this circuit is 200 ?, what is the value of the resistor?
A. 100 ?
B. 184 ?
C. 552 ?
D. 579 ?
E. 200 ?
Answer: B
Physics & Space Science
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The first law of thermodynamics is an extension of the principle of conservation of ________ that we first met in mechanics.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = 80 nC, and q = 32 nC in the figure, what is the magnitude of the electric force on q?
A. 1.6 N B. 1.3 N C. 1.9 N D. 2.2 N E. 0.040 N
Physics & Space Science
If water had a lower specific heat capacity, would ponds and lakes be more or less likely to freeze in winter?
What will be an ideal response?
Physics & Space Science
What type of lighting is the most common?
Physics & Space Science