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Friday, May 06, 2016

Capacitor questions


(a)V across 200k resistor = IR
V= (2x105) (2x 10-5) = 4V

VC = E - VR = 6-4 = 2V

(b) Q=VC
Q = (2.0) (560 x 10-6) = 1.12 x 10-3 C

(c) W = ½ CV2
W = ½ (560 x10-6) (2)2 = 1.12 x 10-3 J
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