Ta có R1/R2=L2/L1
=> 24/1.5=L2/1
Cứ 1cm dây tóc có điện trở là 1,5 Ω
x cm dây tóc có điện trở là 24 Ω
Choose the best answer.
I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.