Electric Circuits - Mission EC4 Detailed Help

Increasing the voltage across an electrical circuit will ___ the current through the circuit.

The current (I) in a circuit is dependent upon the electric potential difference (i.e., voltage or ∆V) impressed across the circuit and the overall resistance (R) of the circuit. The equation that expresses this relationship is:
I = ∆V / R.

Equations serve as useful guides to thinking about how an alteration in one variable would affect another variable. An inspection of the current equation in the Formula Frenzy section reveals the dependency of current on voltage and resistance. The equation would suggest that an increase in the voltage drop across a circuit would increase the current. It also suggests that an increase in the resistance of a circuit would decrease the current.


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