If a circuit has a total voltage of 10V and a total current of 2A, what is the t

Practice Questions

Q1
If a circuit has a total voltage of 10V and a total current of 2A, what is the total resistance in the circuit?
  1. 10Ω
  2. 15Ω
  3. 20Ω

Questions & Step-by-Step Solutions

If a circuit has a total voltage of 10V and a total current of 2A, what is the total resistance in the circuit?
Correct Answer: 5Ω
  • Step 1: Identify the total voltage in the circuit, which is given as 10V.
  • Step 2: Identify the total current in the circuit, which is given as 2A.
  • Step 3: Recall Ohm's Law, which states that Resistance (R) equals Voltage (V) divided by Current (I).
  • Step 4: Substitute the values into the formula: R = V/I.
  • Step 5: Calculate the resistance: R = 10V / 2A.
  • Step 6: Perform the division: 10 divided by 2 equals 5.
  • Step 7: Conclude that the total resistance in the circuit is 5Ω.
  • Ohm's Law – Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance of the conductor.
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