Bennett Mechanical Comprehension Practice Test 2025 - Free Practice Questions and Review Guide

Question: 1 / 400

In a closed circuit where resistors are connected in parallel, what would result in a decrease of current in one specific resistor?

Decrease the voltage supply

Increase the voltage in the circuit

Increase the resistance in that resistor

In a closed circuit with resistors arranged in parallel, each resistor has its voltage drop equal to the supply voltage. The total current in the circuit is the sum of the currents through each resistor. When you increase the resistance of a specific resistor while the voltage remains constant, Ohm’s Law (V = IR) indicates that the current through that particular resistor will decrease, because the current is inversely proportional to its resistance (I = V/R).

Therefore, when the resistance value is raised, less current flows through that resistor for the same voltage, which directly leads to a decrease in current specific to that resistor. This principle is pivotal in understanding how parallel circuits behave and how individual components react under varying conditions.

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Connect more resistors in series

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