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If R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, and R4 = 60Ω in a Wheatstone bridge, is the bri

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Question: If R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, and R4 = 60Ω in a Wheatstone bridge, is the bridge balanced?

Options:

  1. Yes
  2. No
  3. Depends on the voltage
  4. Depends on the current

Correct Answer: No

Solution: 

The bridge is not balanced because 10/20 ≠ 30/60.

If R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, and R4 = 60Ω in a Wheatstone bridge, is the bri

Practice Questions

Q1
If R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, and R4 = 60Ω in a Wheatstone bridge, is the bridge balanced?
  1. Yes
  2. No
  3. Depends on the voltage
  4. Depends on the current

Questions & Step-by-Step Solutions

If R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, and R4 = 60Ω in a Wheatstone bridge, is the bridge balanced?
  • Step 1: Identify the resistances in the Wheatstone bridge: R1 = 10Ω, R2 = 20Ω, R3 = 30Ω, R4 = 60Ω.
  • Step 2: Calculate the ratio of R1 to R2: 10Ω / 20Ω = 0.5.
  • Step 3: Calculate the ratio of R3 to R4: 30Ω / 60Ω = 0.5.
  • Step 4: Compare the two ratios: 0.5 (from R1/R2) is equal to 0.5 (from R3/R4).
  • Step 5: Since the ratios are equal, the bridge is balanced.
  • Wheatstone Bridge – A circuit used to measure unknown resistances by balancing two legs of a bridge circuit.
  • Balanced Condition – A Wheatstone bridge is balanced when the ratio of the resistances in one leg is equal to the ratio in the other leg.
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