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Q.

In a circuit, potential difference across resistance is V = (4±0.25)V and current in resistance, I = (1±0.1)A. What is the value of resistance with its percentage error?

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a

(4±0.4)

b

4+16.25%

c

4+18.25%

d

4+22.25%

answer is B.

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Detailed Solution

Ro = V0Io= 41 = 4△RR = △VV+△II= 0.254±0.11.0 = 0.1625R = 4+16.25%

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In a circuit, potential difference across resistance is V = (4±0.25)V and current in resistance, I = (1±0.1)A. What is the value of resistance with its percentage error?