In a RLC circuit, a second capacitor is connected in parallel with the capacitor previously in the circuit. What is the effect of this change on the impedance of the circuit?
A) It increases.
B) It decreases.
C) It does not change.
D) It increases for frequencies below resonance and decreases for frequencies above resonance.
E) It decreases for frequencies below resonance and increases for frequencies above resonance.
B
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Each diagram shows five star circles. Look at the first circle to the north of the celestial equator on each diagram. Can you characterize the declination of stars on this circle? If so, what is it? Can you characterize the right ascension of stars on this circle? If so, what is it?
What will be an ideal response?
Which of the following are the units of a henry and a farad, respectively?
A. J ? s2/C2 and C2/J B. V ? s/A and V/C C. V/(A ? s) and C/V D. N ? m/A2 and 1/J E. None of the above
Which of the following charge distributions has the lowest potential energy?
An airplane flies horizontally with a speed of 300 m/s at an altitude of 400 m. Assume that the ground is level. At what horizontal distance from a target must the pilot release a bomb so as to hit the target?
a. 3.0 km b. 2.4 km c. 3.3 km d. 2.7 km e. 1.7 km