font-size;vertical-align:middle" cellpadding="-1" cellspacing="-1">
U 额 |
U |
灯 |
=
P 额 |
=
A .
R
串 =
=484Ω .
P
= font-size:90%"> 2
484Ω |
=121W .
答;line-height;" cellpadding="0" cellspacing="0">
U | 实2 |
R |
|
(220V+22V) |
|
|
(1)R 灯 = 实 = =48:inline-table:1px solid black"> 100W | 220V | =P 串 =U 串 I 额 =22V× A=10W 答;font-size:1px:inline-table;font-size;padding-bottom:normal:inline-table:1px solid black"> 22V | |