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the amount of voltage, V vots, needed to send a fixed amount of current through a wire, is directly proportional to its resistance, R ohms. when R=6, V=9.(I)find an equation connecting V and R.(II)find the value of V when R=15.(III)calculate the value of R when V=15.(iv)draw the graph of v against R. |
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Answer» Step-by-step EXPLANATION: the amount of voltage, V vots, needed to send a FIXED amount of current through a wire, is directly proportional to its resistance, R ohms. when R=6, V=9.(I)find an equation CONNECTING V and R.(II)find the value of V when R=15.(III)calculate the value of R when V=15.(iv)DRAW the graph |
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