If V, w, q stand for voltage, energy and charge, then V can be express

1.	If V, w, q stand for voltage, energy and charge, then V can be expressed as
A.	<table><tr><td rowspan="2">V = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dq</center></td></tr><tr><td style="text-align: center;">dw</td></tr></table>
B.	<table><tr><td rowspan="2">V = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dw</center></td></tr><tr><td style="text-align: center;">dq</td></tr></table>
C.
D.	<table><tr><td rowspan="2">dV = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dw</center></td></tr><tr><td style="text-align: center;">dq</td></tr></table>
E.	<table><tr><td rowspan="2">dV = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>dq</center></td></tr><tr><td style="text-align: center;">dw</td></tr></table>
Answer» C.

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If V, w, q stand for voltage, energy and charge, then V can be expressed as

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