Back to Electric Power — Problem 3 · Task Set 11

Exercises: Electric Power

Work through each section in order. Show your work where indicated.

Grade 11·22 problems·~30 min·OpenStax Physics (High School)·section·sec-19-4
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A

Fluency Practice

1.

A resistor has resistance R=40 ΩR = 40\ \Omega and carries a current of 3 A3\ \text{A}. Calculate the power dissipated in the resistor using the formula P=I2RP = I^2R.