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What is the voltage drop across a 3 ohm resistor carrying a current of 2 A?
What is the voltage drop across a 3 ohm resistor carrying a current of 2 A?
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Practice Questions
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Q1
What is the voltage drop across a 3 ohm resistor carrying a current of 2 A?
3 V
6 V
9 V
12 V
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Using Ohm's law, V = I * R = 2 A * 3 ohms = 6 V.
Questions & Step-by-step Solutions
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Q
Q: What is the voltage drop across a 3 ohm resistor carrying a current of 2 A?
Solution:
Using Ohm's law, V = I * R = 2 A * 3 ohms = 6 V.
Steps: 5
Show Steps
Step 1: Identify the values given in the problem. We have a resistor with a resistance of 3 ohms and a current of 2 A.
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. Replace I with 2 A and R with 3 ohms: V = 2 A * 3 ohms.
Step 4: Calculate the voltage. Multiply 2 by 3 to get 6.
Step 5: State the final answer. The voltage drop across the 3 ohm resistor is 6 V.
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