opsc.gov.inopsc.gov.in/Attachment/OCS_2011_PRELIMS/OCS_PRELIM_2011...1 kilo watt-hour is equal to : (a) 3.6 104 J (b) 3.6 x 105J (c) 3.6 106 J (d) 3.6 x 107 J Suppose the earth suddenly
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