What is the voltage across a 10Ω resistor if a current of 3A flows through it?
Practice Questions
Q1
What is the voltage across a 10Ω resistor if a current of 3A flows through it?
30 V
15 V
10 V
20 V
Questions & Step-by-Step Solutions
What is the voltage across a 10Ω resistor if a current of 3A flows through it?
Step 1: Identify the values given in the problem. We have a resistor with a resistance of 10 ohms (Ω) and a current of 3 amperes (A) flowing through it.
Step 2: Recall Ohm's law, which states that voltage (V) is equal to current (I) multiplied by resistance (R). The formula is V = I * R.
Step 3: Substitute the values into the formula. Here, I = 3A and R = 10Ω.
Step 4: Calculate the voltage. Multiply 3A by 10Ω to get 30 volts (V).
Step 5: Conclude that the voltage across the 10Ω resistor is 30V.
