When an RLC series circuit is in resonance, its impedance is:
a. zero.
b. equal to its resistance.
c. a maximum.
d. ?/2 ?.
b
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You and your friend want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so
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What will be an ideal response?
A metal block sits on top of a floating wooden block. If the metal block is suspended from the bottom of the wooden block, what happens to the level of water in the beaker?
A solid conducting sphere of 10 cm radius has a net charge of 40 nC. If the potential at infinity is taken as zero, what is the potential at the center of the sphere?
a. 360 mV c. >3.6 × 10^4 V b. 3.6 × 10^3 V d. 36 mV