A Resistor Develops Heat at the Rate of 20 W $\Omega$

question 87

Multiple Choice

A resistor develops heat at the rate of 20 W when the potential difference across its ends is 30 V.The resistance of the resistor is approximately

• A)45 \(\Omega\)
• B)5.5 \(\Omega\)
• C)30 \(\Omega\)
• D)13 \(\Omega\)
• E)2 \(\Omega\)

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