When checking the current draw of an electrical appliance, which law is typically applied?

When checking the current draw of an electrical appliance, which law is typically applied?

• A. Ohm's Law
• B. Newton's Law
• C. Bernoulli's Principle
• D. Thermodynamic Law

Answer: (A)

When checking the current draw of an electrical appliance, Ohm's Law is the relevant principle to apply. Ohm's Law establishes the relationship between voltage, current, and resistance in an electrical circuit, stating that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R) of the conductor. The formula is expressed as I = V/R. In practical terms, if you know the voltage supplied to the appliance and the resistance that it presents, you can easily calculate the current draw. This direct correlation is fundamental in electrical engineering and assists in diagnosing issues such as overloading or ensuring that appliances operate within safe current levels. The other concepts mentioned, like Newton's Law, relate to motion and forces, Bernoulli's Principle pertains to fluid dynamics, and Thermodynamic Law deals with heat and energy transfer, all of which are not applicable to measuring electrical current in appliances.

When checking the current draw of an electrical appliance, Ohm's Law is the relevant principle to apply. Ohm's Law establishes the relationship between voltage, current, and resistance in an electrical circuit, stating that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R) of the conductor. The formula is expressed as I = V/R.

In practical terms, if you know the voltage supplied to the appliance and the resistance that it presents, you can easily calculate the current draw. This direct correlation is fundamental in electrical engineering and assists in diagnosing issues such as overloading or ensuring that appliances operate within safe current levels.

The other concepts mentioned, like Newton's Law, relate to motion and forces, Bernoulli's Principle pertains to fluid dynamics, and Thermodynamic Law deals with heat and energy transfer, all of which are not applicable to measuring electrical current in appliances.