A resistance of potentiometer wire is `1Omega//m`. A Daniel cell of e.m.f. 1.08V balances at 216 cm on potentiometer. The current through wire is

Question

A resistance of potentiometer wire is `1Omega//m`. A Daniel cell of e.m.f. 1.08V balances at 216 cm on potentiometer. The current through wire is

A resistance of potentiometer wire is `1Omega//m`. A Daniel cell of e.m.f. 1.08V balances at 216 cm on potentiometer. The current through wire is
A. 1.5A
B. 0.25A
C. 2.5A
D. 0.5A

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`E_(1)= I rho l_(1) " " :.I=(1.08)/(1xx2.16)=0.5 A`

5 views Answered 2023-02-05 15:29