Class 12 Exam > Class 12 Questions > A Wheatstone bridge is balanced for four resi...
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A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance will
- a)Not change
- b)Change and can be obtained by changing R1
- c)decrease by about 99%
- d)Change and can be obtained by changing R4
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 w...
Understanding the Wheatstone Bridge
The Wheatstone bridge is a fundamental circuit used to measure unknown resistances. It consists of four resistors arranged in a diamond shape, with a galvanometer and a voltage source. The bridge is said to be balanced when the voltage across the galvanometer is zero.
Initial Balance Condition
- When the Wheatstone bridge is balanced, the ratio of the resistances is given by:
R1/R2 = R3/R4
- At this point, the potential difference across the galvanometer (between points B and D) is zero, indicating no current flows through it.
Effect of Interchanging Cell and Galvanometer
- When the positions of the cell and the galvanometer are interchanged, the circuit still maintains the same resistive configuration.
- The key point is that the balance condition is dependent solely on the ratio of the resistors, not on the position of the power source or the galvanometer.
Conclusion: Balance Condition Remains Unchanged
- Since the ratios of resistances remain the same, the balance will not change.
- Thus, regardless of the position of the cell and galvanometer, the bridge will still be balanced under the same resistance values.
Final Answer
- Therefore, the correct answer is option 'A': The balance will not change.
The Wheatstone bridge is a fundamental circuit used to measure unknown resistances. It consists of four resistors arranged in a diamond shape, with a galvanometer and a voltage source. The bridge is said to be balanced when the voltage across the galvanometer is zero.
Initial Balance Condition
- When the Wheatstone bridge is balanced, the ratio of the resistances is given by:
R1/R2 = R3/R4
- At this point, the potential difference across the galvanometer (between points B and D) is zero, indicating no current flows through it.
Effect of Interchanging Cell and Galvanometer
- When the positions of the cell and the galvanometer are interchanged, the circuit still maintains the same resistive configuration.
- The key point is that the balance condition is dependent solely on the ratio of the resistors, not on the position of the power source or the galvanometer.
Conclusion: Balance Condition Remains Unchanged
- Since the ratios of resistances remain the same, the balance will not change.
- Thus, regardless of the position of the cell and galvanometer, the bridge will still be balanced under the same resistance values.
Final Answer
- Therefore, the correct answer is option 'A': The balance will not change.
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Community Answer
A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 w...
The balance point will not change . For balancing of wheatstone bridge four arms of resistors are responsible. Interchange the position of galvanometer and cell does not affect balancing of wheatstone bridge.
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A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer?.
A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer?.
Solutions for A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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Here you can find the meaning of A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer?, a detailed solution for A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A Wheatstone bridge is balanced for four resistors R1, R2, R3 and R4 with a Lech lanche cell between A and C and a galvanometer between B and D. The positions of the cell and the galvanometer are interchanged. The balance willa)Not changeb)Change and can be obtained by changing R1c)decrease by about 99%d)Change and can be obtained by changing R4Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 12 tests.
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