Science
Junior High
๐ฅ็ง็ซใฎ้ๅปๅใงใใ(9)20ๆ้ (10)1ๆ้ใซใชใใฎใใใใใพใใใ่งฃ่ชฌใใฆใใใ ใใใใงใ๏ผ
ใใผ
ใTใ ไฝ็ดฐ่ๅ่ฃใซใ| ใๆฌกใฎๅ่ฃใๅใใ ใพใงใใ็ดฐ
ใฏๅคงใใ 2 ใคใซๅใใใ. 1ใคใๅ่ฃใฎๅๆ
ใใ
ๅจๆ] ใจใใ< ็ดฐ่ๅจๆ6
ใ MOๆใใงใใ.ใใ 1ใคใไฝ็ดฐ่ๅ ใ่กใๅ่ฃๆ]ใงใใใ่กจ1ใฏใ
ใใใใซๅไบใ็ถใใงใใใใ็ดฐ่ใฎ้ๅฃใซใคใใฆ ็ต้ๆ้ใจ็ดฐ่ๆฐใใพ
ใใฎ, ้ๆใจๅ
ใจใใใใฎใงใใใ่กจ2ใฏ. ่กจ1 ใฎ่ฒก้ธ้ใ60ๆ
่ฃๆใฎ็ดฐ่ๆฐใใพใจใใใใฎใงใใs oN AA
็ต้ๆ้ | 20ๆ้ 60ๆ้ | 100ๆ้
็ดฐ่ๆฐ 300 ๅ 1200ๅ | ) 4800ๅ
ใใฏใผใผ
้ๆ ) ใ ๅ่ๆ
็ดฐ่ๆฐ kW _60ไผ MSN
่กจ2 5
9) ่กจ1ใใ, ็ดฐ่ๅจๆใฎ้ทใ (ๆ้)ใ ใๆฑใใชใใ? ใ
ๅจๆใฎ้ทใใใฏๅใใใฎใจใใใ
(0 ่กจ2ใใใ ๅ่ฃๆใฎ้ทใใๆ้ใ ใๆฑใใชใใใใ
้ๆใจๅ่ฃๆใฎๆ้ใฎๅฒๅใฏ, ใใใใใฎ็ดฐ่ๆฐใฎๅฒๅใจ็ญใใใใฎใจใใใ
ใพใ
ใใง, ๅ่ฃใ็ตใใฃใฆใ
ใ ใ, ใฉใฎ็ดฐ่ใ็ดฐ่
ใ, ็ดฐ่ๅจๆใฎไธญใง,
ใผใผ
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