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Electrical and electronics measurements miscellaneous

Electrical and Electronics Measurements

  1. In the cirucuit given in the figure, the limiting error in the power dissipation I2R in the resistor R is __________%
    1. 10.2
    2. 12.2
    3. 2.2
    4. 10.6
Correct Option: A

P = I²R

dP
=
2dI
+
dR
P1R

Therefore, limiting error in the power
= 2 × 0.05 + 0.002 = 0.102 = 10.2%



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