Unit Test Answers
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How are the current and resistance related when the voltage of a circuit is constant?
A
The current doubles when the resistance doubles because they are directly proportional.B
The current doubles when the resistance doubles because they are inversely proportional.C
The current is cut in half when the resistance doubles because they are directly proportional.D
The current is cut in half when the resistance doubles because they are inversely proportional.22
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Which device manages the flow of current in an electric circuit?
A
the wireB
the switchC
the batteryD
the light bulb23
Aretha measures a circuit at 110 V and 240 . Using Ohm’s law, what can she calculate for the circuit?
A
voltageB
ohmsC
resistanceD
current
25
Beth made the chart shown.
A
X: Use DC Y: Use ACB
X: Use AC Y: Use DCC
X: Powered by Current Y: Powered by MagnetismD
X: Powered by Magnetism Y: Powered by CurrentDid you find these answers helpful?
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