An electric refrigerator rated 400w operates 8 hours/day. what is the cost of the energy to operate it for 30 days at rs. 3 per kwh
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Energy consumed per day
4.0 kw × 8 =32 kwh/day
Energy consumed in 30 days
32 kwh × 30 = 960 kW.h
Bill amount: 960 × 3 kwh = 2880 rupees
4.0 kw × 8 =32 kwh/day
Energy consumed in 30 days
32 kwh × 30 = 960 kW.h
Bill amount: 960 × 3 kwh = 2880 rupees
avaneesh1305pdyoe6:
mark it as brainliest dude
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ʜᴇʏᴀ ᴍᴀᴛᴇ!!
ʜᴇʀᴇ ɪs ᴜʀ ᴀɴsᴡᴇʀ ⏬ ⏬
ɢɪᴠᴇɴ,
ᴘᴏᴡᴇʀ = ᴘ = 400ᴡ = 400/1000 ᴋᴡ = 0.4 ᴋᴡ
ᴛᴏᴛᴀʟ ᴛɪᴍᴇ ғᴏʀ ᴡʜɪᴄʜ ᴛʜᴇ ʀᴇғʀɪɢᴇʀᴀᴛᴏʀ ᴏᴘᴇʀᴀᴛᴇᴅ = ᴛ = 8 ʜᴏᴜʀs x 30 ᴅᴀʏs = 240 ʜ
sɪɴᴄᴇ, ᴇɴᴇʀɢʏ ᴄᴏɴsᴜᴍᴇᴅ = ᴘ x ᴛ ᴇ = 0.4 x 240 ᴋᴡʜ = 96 ᴋᴡʜ
ᴛʜᴇʀᴇғᴏʀᴇ, ᴛᴏᴛᴀʟ ᴄᴏsᴛ ʀᴇϙᴜɪʀᴇᴅ ᴛᴏ ᴏᴘᴇʀᴀᴛᴇ ᴛʜᴇ ʀᴇғʀɪɢᴇʀᴀᴛᴏʀ ғᴏʀ ᴛʜᴇ ᴍᴏɴᴛʜ = 96 x 30 = 2880 ɪɴʀ.
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