Problemas
A lamp has a current of 2.0 amperes at 6.0 volts. What is the resistance of the lamp? 15 ohms 3.0 ohms 6.0 ohms 12 ohms
Roztwór
Rosario
professionell · Tutor durante 6 años
3.8
(260 Votos)
Respuesta
The resistance of the lamp is 3.0 ohms.
Explicación
## Step 1The problem involves the application of Ohm's law, which states that the current passing through a conductor between two points is directly proportional to the voltage across the two points. The formula for Ohm's law is given as:###
where
is the voltage,
is the current, and
is the resistance.## Step 2In this problem, we are given the current
amperes and the voltage
volts. We are asked to find the resistance
.## Step 3To find the resistance, we rearrange the Ohm's law formula to solve for
:###
## Step 4Substitute the given values into the formula:###
ohms