allery100 W రేటింగ్ ఉన్న దీపం 200 V వద్ద 100 Vకి 5 h. స్థిరమైన ప్రతిఘటనను ఊహించండి. kWhకి ₹8 వద్ద, దీని ధర ఎంత?
A₹8
B₹1
C₹4
D₹2
Answer & Solution
Correct answer: B. ₹1
దీని నిరోధం 400 Ω, కాబట్టి 100 V వద్ద ఇది 25 Wని ఉపయోగిస్తుంది, 5 hలో 0.125 kWh వినియోగిస్తుంది మరియు దీని ధర ₹1.
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