If NEPA charges 5k per kWhr, what is the cost of operating for 24 hours a lamp required 1A on a 200v line?
-
A.
24k -
B.
55k -
C.
40k -
D.
26k -
E.
32k
Correct Answer: Option A
Explanation
Energy (kWhr) = 1 x 200 x 24 x 10-3
= 4.8kWhr
1 kWhr. cost 5k
4.8kwhr. will cost (5 x 4.8)k
= 24 kobo