The length and breadth of a field are 22.4cm and 15.8cm respectively and have been measured to an accuracy of 0.2cm. Find the percentage error
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The error in the field area will be 2.16%
Explanation:
Measured Length of magnetic field = L = 22.4 cm
Measured breadth of magnetic field = B = 15.8 cm
Error in both measurement = E = 0.2 cm
Error in area = (0.2/22.4 + 0.2/15.8)100
Error in area = 2.16%
Hence, error in the field area will be 2.16%
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