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Deduce the relationship between E,V,R and r. How will the value of V vary, when R is reduced.

Deduce the relationship between E,V,R and r. How will the value of V vary, when R is reduced.

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Grade:12

2 Answers

Sandeep Bhamoo
443 Points
5 years ago
Let the current flowing in circuit = `i` , Then, E =i•r +i•R = i•(r+R) ---> i=E÷(r+R) and since, V=i•R =(E•R)÷(r+R)
Gitanjali Rout
184 Points
5 years ago
Let the current flowing in circuit = `i` , Then, E =i•r +i•R = i•(r+R) ---> i=E÷(r+R) and since, V=i•R =(E•R)÷(r+R).

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