MDCAT Physics MCQ #564

A farmer uses a device to measure the resistance of his soil to determine its moisture content. This device is based on what principle?

MDCAT Physics MCQ #564

  1. Question 1

    Q1. A farmer uses a device to measure the resistance of his soil to determine its moisture content. This device is based on what principle?

    • A) Ohm's Law
    • B) Kirchhoff's Law
    • C) Faraday's Law
    • D) Wheatstone Bridge

    Answer: Ohm's Law

    Explanation: Ohm's Law relates voltage, current, and resistance