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A bulb is rated as 250V, 0.4A. Find a) Power Resistance

ScienceClass 10ICSEAnswered 27 Mar 2026
Answer
  1. Given,

V = 250V

I = 0.4 amp

a) P = ? P = VI

P = 100 watt

b) R = ? P = I2R

R = 625 ohm

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