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What is the potential difference across a 10 ohm resistor carrying a current of

Practice Questions

Q1
What is the potential difference across a 10 ohm resistor carrying a current of 2A?
  1. 5V
  2. 10V
  3. 15V
  4. 20V

Questions & Step-by-Step Solutions

What is the potential difference across a 10 ohm resistor carrying a current of 2A?
Correct Answer: 20V
  • Step 1: Identify the values given in the question. We have a resistor with a resistance of 10 ohms and a current of 2A.
  • Step 2: Recall Ohm's law, which states that Voltage (V) = Current (I) * Resistance (R).
  • Step 3: Substitute the values into the formula: V = 2A * 10 ohms.
  • Step 4: Calculate the result: 2A * 10 ohms = 20V.
  • Step 5: Conclude that the potential difference across the resistor is 20 volts.
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