A 5 -ohm resistor and a 10- ohm resistor are connected in...

A 5 -ohm resistor and a $10-$ ohm resistor are connected in series. If the current in the 5 -ohm resistor is doubled, the current in the 10-ohm resistor will
(A) be halved
(B) remain the same
(C) be doubled
(D) be quadrupled

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Key Concepts

Series Circuit

In a series circuit, all components are connected end-to-end so that there is only a single path for current flow. This means that the same current passes through each electrical element regardless of their individual resistances. Consequently, any change in the current through one component must equally affect all components in the series.

Ohm's Law

Ohm's Law is a fundamental principle in electrical circuits that states the relationship between voltage, current, and resistance, summarized by the equation V = IR. This principle helps explain how voltage is distributed among resistors and why, in a series circuit, the current remains the same through all components even if the individual resistances differ.

Electrical Current Consistency in Series

In a series connection, the flow of electric charge, or current, is uniform across all circuit elements. This key concept underlines that adjusting the current measured in one resistor necessarily implies the same adjustment in every other resistor in that circuit path, as there is only one path for current.

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