Question

much energy
1 An electric heater is rated 1500w. How
does it use in 10 hours ?
​

Answer 1

Explanation:

w k t

P = e ×t

e= p/t

e = 1500/10

e = 150 wh

the energy consumed in 10 hours is 150 watthour

Answer 2

ɢɪᴠᴇɴ:

ᴘᴏᴡᴇʀ=1500ᴡ=1500/1000=1.5ᴋᴡ

ᴛɪᴍᴇ=ᴛ=10ʜᴏᴜʀs.

ᴇɴᴇʀɢʏ=ᴘᴏᴡᴇʀ x ᴛ

=1.5 x 10

=15ᴋᴡʜ

ʜᴇɴᴄᴇ , ᴛʜᴇ ᴇɴᴇʀɢʏ ᴄᴏɴsᴜᴍᴇᴅ ʙʏ ᴛʜᴇ ʜᴇᴀᴛᴇʀ ɪɴ 10ʜ ɪs 15ᴋᴡʜ