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If a circuit has a Thevenin equivalent resistance of 5Ω and a load of 10Ω, what

Practice Questions

Q1
If a circuit has a Thevenin equivalent resistance of 5Ω and a load of 10Ω, what is the current through the load?
  1. 0.8A
  2. 1A
  3. 1.2A
  4. 1.5A

Questions & Step-by-Step Solutions

If a circuit has a Thevenin equivalent resistance of 5Ω and a load of 10Ω, what is the current through the load?
  • Step 1: Identify the Thevenin equivalent resistance (Rth) which is given as 5Ω.
  • Step 2: Identify the load resistance (Rload) which is given as 10Ω.
  • Step 3: Identify the Thevenin equivalent voltage (Vth) which is given as 10V.
  • Step 4: Use the formula I = Vth / (Rth + Rload) to find the current (I).
  • Step 5: Substitute the values into the formula: I = 10V / (5Ω + 10Ω).
  • Step 6: Calculate the total resistance: 5Ω + 10Ω = 15Ω.
  • Step 7: Now calculate the current: I = 10V / 15Ω.
  • Step 8: Perform the division: I = 0.67A.
  • Thevenin's Theorem – Thevenin's Theorem simplifies a complex circuit to a single voltage source and series resistance.
  • Circuit Analysis – Understanding how to analyze circuits using equivalent resistance and load resistance.
  • Ohm's Law – The relationship between voltage, current, and resistance in electrical circuits.
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