In a resistive circuit with several resistors in parallel across a voltage source, the voltage across each resistor is:

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Enhance your understanding of the fundamentals of electricity with the AMT General Exam. Study with multiple-choice questions crafted to improve your knowledge and confidence. Prepare effectively for your success!

Multiple Choice

In a resistive circuit with several resistors in parallel across a voltage source, the voltage across each resistor is:

Explanation:
In a parallel circuit, all components connected across the same two nodes share the same voltage as the source. Since each resistor is connected directly across the two terminals of the voltage source, the potential difference across every resistor must be the source voltage. The current through each resistor is determined by I = V/R_i, so it will vary with each resistor’s value, but the voltage across each one remains equal to the source voltage. This isn’t half the voltage, nor does it depend on a particular resistor value, and it’s not zero as long as the source is providing a voltage.

In a parallel circuit, all components connected across the same two nodes share the same voltage as the source. Since each resistor is connected directly across the two terminals of the voltage source, the potential difference across every resistor must be the source voltage. The current through each resistor is determined by I = V/R_i, so it will vary with each resistor’s value, but the voltage across each one remains equal to the source voltage. This isn’t half the voltage, nor does it depend on a particular resistor value, and it’s not zero as long as the source is providing a voltage.

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