TL3: Trên một bóng đèn có ghi 12V-6W. Đèn này dc sử dụng có hiệu điện thế bằng hiệu  điện thế định mức trong 1 giờ. Hãy tính:

a) Điện trở của đèn khi đó.

b) Điện năng mà đèn sử dụng trong thời gian trên

TL1: Khi mắc một bóng đèn vào hiệu điện thế 12V thì dong điện chạy qua nó có cường độ 0,4V. Tính công suất điện của bóng đèn này và điện trở của bóng đèn khi đó ?

13.Although he was seriously ill, he went to work yesterday.

In spite of....................................................................................

14.Even though the streets are narrow,many peole drive cars in this city.

Despite.......................................................................................

15.Although his English was good, he wansn't chosen.

In spite of

9.Because his love for her is deep, he can't live without her.

Because of.............................................

10.Because it rained heavily, we had to put off the light.

Because of.............................................

11.Although he was got good jobs, he was not satisfied.

In spite of................................................

12.Though he often tell lies, many peole belive him

Despite....................................................

5.Since it was foggy, the train came late

Because of.............................................

6. I can't sleep because the weather is hot

Because of.............................................

7. He left school because the weather is hot

Because of.............................................

8. AII the teachers love him because his condust is good.

Because of.............................................

3. Tom lost game because he was careless.

Because of......................................................

4. She couldn't sheep since it was noisy.

Because of......................................................

Because many peole hear jogging is a good exercise, they begin to jog.

Because of