The wire of potentiometer has resistance `4 Omega` and length 1m. It is connected to a cell of e.m.f. 2V and internal resistance `1 Omega`. The curren

Question

The wire of potentiometer has resistance `4 Omega` and length 1m. It is connected to a cell of e.m.f. 2V and internal resistance `1 Omega`. The curren

The wire of potentiometer has resistance `4 Omega` and length 1m. It is connected to a cell of e.m.f. 2V and internal resistance `1 Omega`. The current flowing through the potentiometer wire is
A. 0.1A
B. 0.2A
C. 0.4A
D. 0.8A

Monjur Alahi

4 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 - C
`I=(E)/(R+r)=(2)/(4+1)=0.4A`

4 views Answered 2023-02-05 15:29