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​There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20Ω is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is–
  • a)
    80 W    
  • b)
    100 W    
  • c)
    120 W    
  • d)
    60 W 
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
There is a potentiometer wire of length 1200 cm and 60 mA current is f...

Potential gradient = 5 / 1000 = Vp/1200
 VP = 6V
and RP = = 100Ω
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There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20Ω is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is–a)80 W b)100 W c)120 W d)60 WCorrect answer is option 'B'. Can you explain this answer?
Question Description
There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20Ω is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is–a)80 W b)100 W c)120 W d)60 WCorrect 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 There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20Ω is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is–a)80 W b)100 W c)120 W d)60 WCorrect 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 There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20Ω is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is–a)80 W b)100 W c)120 W d)60 WCorrect answer is option 'B'. Can you explain this answer?.
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