alleryStart learning →A meter goes 620 to 638 kWh. Bill: Rs 30 plus Rs 5/kWh. Total?
ARs 180
BRs 150
CRs 90
DRs 120
Answer & Solution
Correct answer: D. Rs 120
The 18 kWh meter difference costs Rs 90, and the Rs 30 fixed charge makes Rs 120.
Keep practising Electricity
Browse all Electricity questions for ICSE Class 8, or explore more Physics topics.
Related questions
A 1 kW heater is on for 20 min in each of 3 hours. Energy used?A 100 W lamp becomes 20 W, used 5 h/day for 30 days. Energy saved?First 10 kWh cost Rs 5 each, later kWh Rs 8 each. Cost of 15 kWh?A 100 W lamp has a 2 kWh energy allowance. Runtime?A bill adds Rs 40 to Rs 6 per kWh. Cost for 20 kWh?Energy costs Rs 6 per kWh. What does 1.5 kWh cost?A 0.3 kW fan runs 2 h and a 0.5 kW device 4 h. Total?A 1.2 kW heater runs for 15 minutes. Energy used?