An electric lamp is marked 60 W , 230 V . The cost of a 1 kWh of energy is Rs . 1.25. The cost of using this lamp 8 hrs a day for 30 day isA. Rs. 10B. Rs. 16C. Rs. 18D. Rs. 20

An electric lamp is marked 60 W , 230 V . The cost of a 1 kWh of energ

1.	An electric lamp is marked 60 W , 230 V . The cost of a 1 kWh of energy is Rs . 1.25. The cost of using this lamp 8 hrs a day for 30 day isA. Rs. 10B. Rs. 16C. Rs. 18D. Rs. 20
Answer» Correct Answer - C

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For a thermocouple, the neutral temperature is `270^(@)C` and the temperature of its cold junction is `20^(@)C` . If there is no deflection in the galvanometer, the temperature of the hot junction should beA. `210^(@)C`B. `540^(@)C`C. `520^(@)C`D. `209^(@)C`
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An electric lamp is marked 60 W , 230 V . The cost of a 1 kWh of energy is Rs . 1.25. The cost of using this lamp 8 hrs a day for 30 day isA. Rs. 10B. Rs. 16C. Rs. 18D. Rs. 20

An electric lamp is marked 60 W , 230 V . The cost of a 1 kWh of energy is Rs . 1.25. The cost of using this lamp 8 hrs a day for 30 day isA. Rs. 10B. Rs. 16C. Rs. 18D. Rs. 20

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