What is the current through the resistor?

To determine the current through the resistor, we would typically need to know the total voltage applied to the circuit and how the resistors are arranged (series or parallel). Let’s say you have a simple circuit with a voltage source connected in series with the resistor. You can apply Ohm’s Law, which states , where is the current and is the resistance. Rearranging gives us . For example, if the voltage is 9 volts, the current through the resistor would be .

Now, if the configuration involves multiple resistors, like a parallel circuit, you would need to calculate the equivalent resistance first before determining the current through the particular resistor. Remember, the voltage across resistors in parallel is the same, so you’d be using that common voltage to find the current through the resistor!