Subject
Home
/
Physics
/
3. a 2.5 a current flows through a 100 w lamp. what is the voltage across the lamp?

Question

3. A 2.5 A current flows through a 100 W lamp. What is the voltage across the lamp?

Answer

3.6 (228 Votes)
Verificación de expertos
York Expert · Tutor for 3 years

Answer

### The voltage across the lamp is V.

Explanation

## Step1: Identify Known Values### The power is W and the current is A.## Step2: Use Power Formula### The formula for electrical power is , where is voltage and is current. Rearrange to solve for : .## Step3: Calculate Voltage### Substitute the given values into the formula: .