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Ashok0210
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Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.3 NCERT Solutions Class 12 Physics Chapter 4 Question 3

2020-2021cbse and up boardclass 12 chapter-4 physicsclass 12 physicsncert class 12 moving charges and magnetism
Ashok0210
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Class 12 Physics CBSE and UP Board Moving Charges and Magnetism Chapter-4 Exercise 4.1 NCERT Solutions Class 12 Physics Chapter 4 Question 1

2020-2021cbse and up boardclass 12 chapter-4 physicsclass 12 physicsncert class 12 moving charges and magnetism
Ashok0210
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Figure 3.35 shows a 2.0 V potentiometer used for the determination of internal resistance of a 1.5 V cell. The balance point of the cell in open circuit is 76.3 cm. When a resistor of 9.5 Ω is used in the external circuit of the cell, the balance point shifts to 64.8 cm length of the potentiometer wire. Determine the internal resistance of the cell.

Class 12 Physics CBSE and UP Board Current Electricity Additional Exercise Chapter-3 Exercise 3.24 NCERT Solutions Class 12 Physics Chapter 3 Question 24

2020-2021cbse and up boardclass 12 chapter-3 physicsclass 12 physicsncert class 12 current electricity
Ashok0210
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Figure 3.34 shows a potentiometer circuit for comparison of two resistances. The balance point with a standard resistor R = 10.0 Ω is found to be 58.3 cm, while that with the unknown resistance X is 68.5 cm. Determine the value of X. What might you do if you failed to find a balance point with the given cell of emf ε ?

Class 12 Physics CBSE and UP Board Current Electricity Additional Exercise Chapter-3 Exercise 3.23 NCERT Solutions Class 12 Physics Chapter 3 Question 23

2020-2021cbse and up boardclass 12 chapter-3 physicsclass 12 physicsncert class 12 current electricity
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