AP Physics 2mediummcq1 pt
A capacitor stores 1.0×10⁻⁴ C at 50 V. Its energy is
A.2.5×10⁻³ J
B.5.0×10⁻³ J
C.1.25×10⁻³ J
D.5.0×10⁻⁶ J
Explanation
Core Concept
U = ½QV = ½(1.0×10⁻⁴)(50) = 2.5×10⁻³ J.
Correct Answer
A2.5×10⁻³ J
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