Using i and R:
P0 = i2R
A circuit maintains a constant resistance. If the current in the circuit is doubled, what is the effect on the power dissipated by the circuit?
a. The power dissipated remains constant.
b. The power dissipated is reduced by a factor of 2.
c. The power dissipated is reduced by a factor of 4.
d. The power dissipated is quadrupled.
e. The power dissipated is doubled.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Power in Circuits concept. You can view video lessons to learn Power in Circuits. Or if you need more Power in Circuits practice, you can also practice Power in Circuits practice problems.
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Based on our data, we think this problem is relevant for Professor McKenna's class at UBC.