If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it can dissipate is
-
A.
5.00W -
B.
4.00W -
C.
2.00W -
D.
25W
Correct Answer: Option B
Explanation
P = (frac{V^2}{R})
= (frac{20 times 20}{100})
= 4W
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