Nhóm 4 by Trần Trương Đoan Trang - TH-THCS-THPT Trịnh Hoài Đức https://padlet.com/thd2010450/tpupmc2rlpmqjj0t Bài tập lý en-us 2021-10-04 01:46:38 UTC 2026-01-17 19:33:11 UTC hello@padlet.com ツ https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788285012 2021-10-04 01:49:42 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788285012 Kiều Vi https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788293060 Bài 2 tóm tẳt
U1 = 12V
I1 = 3A
U2=24V
I2=? A
Giải
cường độ dòng điện sẽ là 
I2=U1:I1xU2
    =(3x24):12
    =6 A
    ]]> 2021-10-04 01:54:40 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788293060 Khánh Đan https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788299107 2021-10-04 01:58:24 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788299107 Nhật https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788303176 a,
R1=U/I1=9/3=3(ohm)
R2=U/I2=9/6=1,5(ohm)
b,
Dây dẫn 2 tốt hơn dây dẫn 1 vì điện trở dây 1 bé hơn điện trở dây 2]]> 2021-10-04 02:00:56 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788303176 T Ngọc!!!😭😭😭😭😭 https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788321678 2021-10-04 02:13:40 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788321678 Trang https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788322374 2021-10-04 02:14:06 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788322374 Tín https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788403256 Bài 6 
Tt
R1 nt R2
I:10
U:30
I:0,5A
R=U÷I=30÷0,5=60
R=R1+R2=>R2=50

]]> 2021-10-04 03:06:01 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1788403256 Trang https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1806383346 2021-10-11 01:39:25 UTC https://padlet.com/thd2010450/tpupmc2rlpmqjj0t/wish/1806383346