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A battery of internal resistance ' r ' and e.m.f. ε is connected to a variable external resistor AB. If the sliding contact is moved from A to B, then terminal potential difference of battery will :
  • a)
    remain constant & is independent of value of external resistance
  • b)
    increase continuously
  • c)
    decrease continuously
  • d)
    first increase and then will decrease.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A battery of internal resistance r and e.m.f. ε is connected...
V = E- i r. Now, if we go from A→B ,then resistance of circuit increases, ' i '   decreases so V increases
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A battery of internal resistance r and e.m.f. ε is connected to a variable external resistor AB. If the sliding contact is moved from A to B, thenterminal potential difference of battery will :a) remain constant & is independent of value of external resistanceb) increase continuouslyc) decrease continuouslyd) first increase and then will decrease.Correct answer is option 'B'. Can you explain this answer?
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A battery of internal resistance r and e.m.f. ε is connected to a variable external resistor AB. If the sliding contact is moved from A to B, thenterminal potential difference of battery will :a) remain constant & is independent of value of external resistanceb) increase continuouslyc) decrease continuouslyd) first increase and then will decrease.Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A battery of internal resistance r and e.m.f. ε is connected to a variable external resistor AB. If the sliding contact is moved from A to B, thenterminal potential difference of battery will :a) remain constant & is independent of value of external resistanceb) increase continuouslyc) decrease continuouslyd) first increase and then will decrease.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A battery of internal resistance r and e.m.f. ε is connected to a variable external resistor AB. If the sliding contact is moved from A to B, thenterminal potential difference of battery will :a) remain constant & is independent of value of external resistanceb) increase continuouslyc) decrease continuouslyd) first increase and then will decrease.Correct answer is option 'B'. Can you explain this answer?.
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