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Title: How does a resistor affect the electrical current flowing through a circuit supplied with a constant voltage? Post by: ricktyrrell on Nov 4, 2012 In a circuit, the resistor serves to oppose an electric current. How does a resistor affect the electrical current flowing through a given circuit that is supplied with a constant voltage?
I can't seem to figure this out! Can someone help please? Thank you! Title: How does a resistor affect the electrical current flowing through a circuit supplied with a constant voltage? Post by: ricks on Nov 4, 2012 I wouldn't say a resistor "opposes" current but rather it RESTRICTS the amount of current in a circuit where the voltage of the source remains constant. That's assuming this question refers to a simple circuit of only the power supply and a resistor. If not, then the circuit must be defined in order to answer correctly.
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