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In the network shown cell E has internal resistance r and the galvanometer shows zero deflection. If the cell is replaced by a new cell of 2E and internal resistance 3r keeping ling everything else identical, then
  • a)
    The galvanometer will show deflection to 10 divisions
  • b)
    The galvanometer show zero deflection,
  • c)
    Current will flow from B to A.
  • d)
    Current will flow from A to B.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In the network shown cell E has internal resistance r and the galvano...
In the given circuit diagram, the galvanometer shows zero deflection, hence it is a Wheatstone ba circuit.
Hence, VA = VB
On replacing a new cell of emf 2E and internal resistance 3r, no effect occurs on balanced condition of bridge, i.e., VA = VB.
Hence, the galvanometer wil shows zero deflection.
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In the network shown cell E has internal resistance r and the galvanometer shows zero deflection. If the cell is replaced by a new cell of 2E and internal resistance 3r keeping ling everything else identical, thena)The galvanometer will show deflection to 10 divisionsb)The galvanometer show zero deflection,c)Current will flow from B to A.d)Current will flow from A to B.Correct answer is option 'B'. Can you explain this answer?
Question Description
In the network shown cell E has internal resistance r and the galvanometer shows zero deflection. If the cell is replaced by a new cell of 2E and internal resistance 3r keeping ling everything else identical, thena)The galvanometer will show deflection to 10 divisionsb)The galvanometer show zero deflection,c)Current will flow from B to A.d)Current will flow from A to B.Correct answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about In the network shown cell E has internal resistance r and the galvanometer shows zero deflection. If the cell is replaced by a new cell of 2E and internal resistance 3r keeping ling everything else identical, thena)The galvanometer will show deflection to 10 divisionsb)The galvanometer show zero deflection,c)Current will flow from B to A.d)Current will flow from A to B.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the network shown cell E has internal resistance r and the galvanometer shows zero deflection. If the cell is replaced by a new cell of 2E and internal resistance 3r keeping ling everything else identical, thena)The galvanometer will show deflection to 10 divisionsb)The galvanometer show zero deflection,c)Current will flow from B to A.d)Current will flow from A to B.Correct answer is option 'B'. Can you explain this answer?.
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