Question

A bulb is rated 5V; 500mA. Calculate the rated power and resistance of the bulb when it glows​

Answer 1

Answer:P = V I = 5 × 0.5 = 2.5 watt

P = V I = 5 × 0.5 = 2.5 watt ii) R = V / I = 5 / 0.5 10 Ω

P = V I = 5 × 0.5 = 2.5 watt ii) R = V / I = 5 / 0.5 10 Ωiii) W = P × t = 2.5 × 4