Question

A circuit consists of a resistor and a battery. Increasing the voltage of the battery while keeping the temperature of the circuit constant would result in an increase in (A) current, only (B) resistance, only (C) both current and resistance (D) neither current nor resistance

Name: Problem 34, Chapter 9: Let's Review Regents: Physics—Physical Setting
Uploaded: 2022-01-23T07:39:48-08:00
Duration: 2 min 10 s
Channel: Rachel B.
Description: A circuit consists of a resistor and a battery. Increasing the voltage of the battery while keeping the temperature of the circuit constant would result in an increase in (A) current, only (B) resistance, only (C) both current and resistance (D) neither current nor resistance

   A circuit consists of a resistor and a battery. Increasing the voltage of the battery while keeping the temperature of the circuit constant would result in an increase in
(A) current, only
(B) resistance, only
(C) both current and resistance
(D) neither current nor resistance

Let's Review Regents: Physics—Physical Setting

Miriam A. Lazar 1st Edition

Chapter 9, Problem 34

Instant Answer

Solved by Expert Rachel B.

01/23/2022

Step 1

We can use Ohm's law to relate these quantities. Ohm's law states that the current (I) through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance (R) between them. Show more…

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A circuit consists of a resistor and a battery. Increasing the voltage of the battery while keeping the temperature of the circuit constant would result in an increase in (A) current, only (B) resistance, only (C) both current and resistance (D) neither current nor resistance

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Key Concepts

Ohm's Law

Ohm’s Law is a fundamental principle in electrical circuits that relates voltage, current, and resistance by the equation V = IR. This law implies that for a given constant resistance, an increase in voltage results in a proportional increase in current. It forms the basis for analyzing how changes in voltage affect the current in a resistor circuit.

Temperature Dependence of Resistance

While resistance can vary with temperature, the condition of constant temperature in an electrical circuit ensures that the resistance remains unchanged even when the voltage is increased. This concept clarifies that under constant thermal conditions, changes in voltage will affect only the current, not the inherent resistance of the resistor.

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