In an AC circuit, if the power factor is 1, what type of load is present?

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Question: In an AC circuit, if the power factor is 1, what type of load is present?

Options:

Correct Answer: Resistive

Solution:

A power factor of 1 indicates a purely resistive load.

In an AC circuit, if the power factor is 1, what type of load is present?

In an AC circuit, if the power factor is 1, what type of load is present?

Step 1: Understand what power factor means. Power factor is a measure of how effectively electrical power is being converted into useful work output.
Step 2: Know that power factor can range from 0 to 1. A power factor of 1 means that all the power is being used effectively.
Step 3: Identify the types of loads in an AC circuit. There are three main types: resistive, inductive, and capacitive.
Step 4: Recognize that a purely resistive load uses power without any delay or phase difference between voltage and current.
Step 5: Conclude that if the power factor is 1, it indicates that the load is purely resistive, meaning it does not have any inductive or capacitive components.

Power Factor – The power factor is a measure of how effectively electrical power is being converted into useful work output. A power factor of 1 indicates that all the power is being used effectively.
Types of Loads – In AC circuits, loads can be resistive, inductive, or capacitive. A purely resistive load has a power factor of 1, meaning voltage and current are in phase.