In a balanced metre bridge, the segment of wire opposite to a resistance of `70Omega` is 70 cm. The unknown resistance is

Question

In a balanced metre bridge, the segment of wire opposite to a resistance of `70Omega` is 70 cm. The unknown resistance is

In a balanced metre bridge, the segment of wire opposite to a resistance of `70Omega` is 70 cm. The unknown resistance is
A. `30Omega`
B. `60Omega`
C. `90Omega`
D. `15Omega`

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 - A
`X=(l_(x))/(l_(r))R=(30xx70)/(70)=30 Omega`

5 views Answered 2023-02-05 15:29