Mạch điện xoay chiều không phân nhánh gồm điện trở thuần R, cuộn cảm thuần có cảm kháng và tụ điện có dung kháng . Vào một thời điểm khi điện áp trên điện trở và trên tụ điện có giá trị tức thời tương ứng là 80V và 60V thì điện áp giữa hai đầu mạch điện là ?           

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  “You should have finished the report by now,” John told his secretary.
  
  

• Choose one sentence that has the same meaning as the root one:

  “It’s too stuffy in this room, isn’t it?” said the guest.
  
  

• Choose one sentence that has the same meaning as the root one:

  A very successful salesman, Mr. Smith often has more customers than he can handle.
  
  

• Choose one sentence that has the same meaning as the root one:

  Tim is likely to fail if he takes the exam without studying.
  
  

• Choose one sentence that has the same meaning as the root one:

  He looked so funny that I couldn’t help laughing.
  
  

• Choose one sentence that has the same meaning as the root one:

  They bought a gift that was very expensive for their son.
  
  

• Choose one sentence that has the same meaning as the root one:

  I found it difficult to communicate in English.
  
  

• Choose one sentence that has the same meaning as the root one:

  A majority of the students in this college are from overseas.
  
  

• Choose one sentence that has the same meaning as the root one:

  He acts as though nothing matters to him.
  
  

• Choose one sentence that has the same meaning as the root one:

  Nancy isn’t used to walking so far.