B1 (ii) A typical electric-powered car having a 6 A, 12 V battery was charged at constant current from 8am till 10pm. Determine: (i) How much electric energy is used? (ii) What is the cost of electricity to charge the battery? (ii) Calculate the total energy conversion loss. (iv) What is the actual efficiency of the battery? [Data given: electric cost =$0.48/Wh, + and assuming 70% battery (chemical energy) to electricity conversion, and 65% electrical to mechanical energy conversion].

B1 (ii) A typical electric-powered car having a 6 A, 12 V battery was charged at constant current from 8am till 10pm. Determine: (i) How much electric energy is used? (ii) What is the cost of electricity to charge the battery? (ii) Calculate the total energy conversion loss. (iv) What is the actual efficiency of the battery? [Data given: electric cost =$0.48/Wh, + and assuming 70% battery (chemical energy) to electricity conversion, and 65% electrical to mechanical energy conversion].

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 1RQ: Describe the difference between a voltage surge and a voltage spike.

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