MP Board · Class 12 · Physics · Current ElectricityThe Wheatstone bridge is most sensitive when all four arms have resistances of the same order of magnitude. What is the standard condition for a balanced Wheatstone bridge?
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Total Attempts: 3
Accuracy Rate: 33.3%
Step-by-Step Solution
A Wheatstone bridge is balanced when P/Q = R/S, meaning no current flows through the galvanometer.
Detailed Options Breakdown
Option : P + Q = R + S
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
Option 1: PS = QR (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: PR = QS
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
Option 3: P - Q = R - S
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Current Electricity.
💡 Study Guide: This question tests core syllabus concepts from Current Electricity. For formulas, key summaries, and mock exam reference guides, read the full Current Electricity Revision Notes.