If the total resistance in a Wheatstone bridge is increased, what happens to the

Practice Questions

Q1
If the total resistance in a Wheatstone bridge is increased, what happens to the current in the circuit?
  1. It increases
  2. It decreases
  3. It remains the same
  4. It becomes zero

Questions & Step-by-Step Solutions

If the total resistance in a Wheatstone bridge is increased, what happens to the current in the circuit?
  • Step 1: Understand that a Wheatstone bridge is a circuit used to measure resistance.
  • Step 2: Recall Ohm's law, which states that current (I) is equal to voltage (V) divided by resistance (R).
  • Step 3: Note that if the total resistance (R) in the circuit increases, the current (I) will change.
  • Step 4: Since current is inversely proportional to resistance, an increase in resistance means the current will decrease.
  • Step 5: Conclude that if the total resistance in a Wheatstone bridge is increased, the current in the circuit decreases.
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