All Courses
Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity Get the App Login Join for Free
Sign in Open App
Class 12 Exam  >  Class 12 Questions  >  Two batteries of emf's 6.20 V and 12.45 V and... Start Learning for Free
SaveJoin the Discussion on the App
Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging?
Clear all your Class 12 doubts with EduRev
Most Upvoted Answer
Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.0...
Terminal Potential Differences of Batteries during Charging


Given Data:



  • EMF of first battery, E1 = 6.20 V

  • EMF of second battery, E2 = 12.45 V

  • Internal resistance of first battery, r1 = 0.01 Ω

  • Internal resistance of second battery, r2 = 0.03 Ω

  • Current supplied by battery charger, I = 20 A



Explanation:


When the batteries are being charged, the current supplied by the battery charger flows through the internal resistance and the battery. As a result, there will be a voltage drop across the internal resistance of the battery, which reduces the terminal potential difference of the battery.

The terminal potential difference of the battery during charging can be calculated using the following formula:

V = E - Ir

where V is the terminal potential difference of the battery, E is the EMF of the battery, I is the current supplied by the battery charger, and r is the internal resistance of the battery.

Calculation:


Let us calculate the terminal potential difference of each battery during charging using the above formula.

For the first battery:

V1 = E1 - Ir1
= 6.20 V - (20 A x 0.01 Ω)
= 5.80 V

Therefore, the terminal potential difference of the first battery during charging is 5.80 V.

For the second battery:

V2 = E2 - Ir2
= 12.45 V - (20 A x 0.03 Ω)
= 11.85 V

Therefore, the terminal potential difference of the second battery during charging is 11.85 V.

Conclusion:


During charging, the terminal potential difference of a battery is reduced due to the voltage drop across the internal resistance of the battery. In this case, the terminal potential differences of the first and second batteries are 5.80 V and 11.85 V respectively.
Explore Courses for Class 12 exam
Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging?
Question Description
Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging?.
Solutions for Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
Here you can find the meaning of Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? defined & explained in the simplest way possible. Besides giving the explanation of Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging?, a detailed solution for Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? has been provided alongside types of Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? theory, EduRev gives you an ample number of questions to practice Two batteries of emf's 6.20 V and 12.45 V and internal resistances 0.01 n and 0.03 n respectively are being charged by a battery charger which supplies a current of 20 A. What are the terminal potential differences of the batteries during charging? tests, examples and also practice Class 12 tests.
Explore Courses for Class 12 exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Get App
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup