Đặt điện áp xoay chiều vào 2 đầu đoạn mạch có R, L, C mắc nối tiếp Biết , cuộn cảm thuần có , tụ điện có và có điện áp giữa 2 đầu cuộn cảm thuần là . Biểu thức điện áp giữa hai đầu đoạn mạch là ?              

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Population density is the highest in the Red River Delta, 1,136 people per km², and the

  lower in the northwest with only 62 people per km².

• Find a mistake in the four underlined parts of the sentence and correct it:

  Agricultural land per each capita decreased from 0.25 hectares in 1943 to 0.10 ha in 1995.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Rapid population growth, migration, and urbanize in Vietnam have placed new pressure on

  the environment, particularly as a result of forest exploitation, and depletion of water

  resources.

• Choose the word that has the underlined part pronounced differently from the rest:

  teacher                   beat                   breakfast                     eating

• Choose the word that has the underlined part pronounced differently from the rest:

  passenger                  several                  begin                    repair

• Choose the word that has the underlined part pronounced differently from the rest:

  meeting                      weekly                    engineer                       free

• Choose a word that has different stress pattern:

  alternative                  announce                  absolute                    arrive

• Choose a word that has different stress pattern:

  typical                   continue                   tobacco                   appointment

• Choose a word that has different stress pattern:

  repeat                   frequency                      occasionally                      immediately

• Choose the best answer for the following sentence:

  I was late for school this morning because my alarm clock didn’t _____________.