What is the power dissipated by a 1.2 k resistor with 12 volts across it?

[匿名]

2016-02-11 10:38 am

(a) 12 W
(b) 1.2 W
(c) 0.12 W
(d) 12 mW

Please show Calc.

回答 (2)

Bill

2016-02-11 10:39 am

v^2/r

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[匿名]

2016-02-11 12:13 pm

P = V^2/r = 12*12/12000 W, which gives (d)

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