# How to work out voltage drop across a resistor?

#### Understand the Problem

The question is asking how to calculate the voltage drop across a resistor in a circuit. This typically involves applying Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). To find the voltage drop, one would need to know the current flowing through the resistor and its resistance value.

Use Ohm's Law: $$V = I \times R$$

To calculate the voltage drop across a resistor, use Ohm's Law: $$V = I \times R$$. Identify the current (I) and the resistance (R), then multiply them to find the voltage (V).

#### Steps to Solve

1. Identify the given values

Determine the current (I) flowing through the resistor and the resistance (R) of the resistor. These values are necessary to use Ohm's Law.

1. Apply Ohm's Law

Ohm's Law is given by the formula: $$V = I imes R$$ where V is the voltage drop, I is the current, and R is the resistance.

1. Calculate the voltage drop

Using the current and resistance values, perform the multiplication to find the voltage drop: $$V = I \times R$$

To calculate the voltage drop across a resistor, use Ohm's Law: $$V = I \times R$$. Identify the current (I) and the resistance (R), then multiply them to find the voltage (V).
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