KCET · Physics · Current Electricity
An electric heater rated \(220 \mathrm{~V}\) and \(550 \mathrm{~W}\) is connected to AC mains. The current drawn by it is
- A \(0.8 \mathrm{~A}\)
- B \(2.5 \mathrm{~A}\)
- C \(0.4 \mathrm{~A}\)
- D \(1.25 \mathrm{~A}\)
Answer & Solution
Correct Answer
(B) \(2.5 \mathrm{~A}\)
Step-by-step Solution
Detailed explanation
\(I=\frac{P}{V}=\frac{550}{220}=2.5 \mathrm{~A}\)
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