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The Illustration Is a Schematic Diagram of a Resistor Connected P=E2RP = \frac { E ^ { 2 } } { R }

question 308

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The illustration is a schematic diagram of a resistor connected to a voltage source of 51 volts. As a result, the resistor dissipates power in the form of heat. The power P lost when a voltage E is placed across a resistance R (in ohms) is given by the formula P=E2RP = \frac { E ^ { 2 } } { R } . If P is 4.5 watts and E is 51 volts, find R .  The illustration is a schematic diagram of a resistor connected to a voltage source of 51 volts. As a result, the resistor dissipates power in the form of heat. The power P lost when a voltage E is placed across a resistance R (in ohms)  is given by the formula  P = \frac { E ^ { 2 } } { R }  . If P is 4.5 watts and E is 51 volts, find R .   A)  608 ohms B)  538 ohms C)  588 ohms D)  578 ohms E)  558 ohms


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