Nate Core Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

In a parallel circuit, what happens to the voltage?

It varies between branches

It remains constant across all branches

In a parallel circuit, the voltage across all branches remains constant and equal to the total voltage supplied by the source. This characteristic arises because each branch is connected directly to the voltage source, allowing them to experience the same potential difference. When resistors or any other components are placed in parallel, they each have access to the same voltage, which is why the voltage does not vary among the branches.

This consistency in voltage is fundamental to the operation of parallel circuits, distinguishing them from series circuits, where the voltage divides among components. Understanding this principle helps in analyzing how parallel circuits function and how they can be used in various applications, such as in wiring multiple devices in a home to ensure each receives the full voltage supply.

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It drops with each resistor

It sums up across the circuit

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