alleryଏକ ପ୍ରଦୀପ 100 W ରେ 200 V ରେ 5 h ପାଇଁ 100 V ରେ ଚାଲିଥାଏ | ନିରନ୍ତର ପ୍ରତିରୋଧ ଗ୍ରହଣ କରନ୍ତୁ | KWh ପ୍ରତି ₹8 ରେ, ଏହାର ମୂଲ୍ୟ କ’ଣ?
A₹8
B₹1
C₹4
D₹2
Answer & Solution
Correct answer: B. ₹1
ଏହାର ପ୍ରତିରୋଧ ହେଉଛି 400 Ω, ତେଣୁ 100 V ରେ ଏହା 25 W ବ୍ୟବହାର କରେ, 5 h ରେ 0.125 kWh ବ୍ୟବହାର କରେ ଏବଂ ଏହାର ମୂଲ୍ୟ ₹1 |
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