Cho véc tơ pháp tuyến của diện tích vuông góc với các đường sức từ thì khi độ lớn cảm ứng từ tăng 2 lần, từ thông

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Mai is interested ____________ taking an art course.
  
  

• Choose the best answer for the following sentence:

  The Internet is an important ____________ of communication in modern world.
  
  

• Choose the best answer for the following sentence:

  It’s kind of you _____________ me with my homework.
  
  

• Choose the best answer for the following sentence:

  The reason ______________ he left was that he felt lonely.

• Choose the correct sentence which is built from the words and phrases given:

  children / household / young / with / tasks / enjoy / helping //.
  
  

• Choose the correct sentence which is built from the words and phrases given:

  Mr. Ha / about / traveling / does / worry / son's / why / his //?
  
  

• Choose the correct sentence which is built from the words and phrases given:

  good / interesting / and / people / the / was / the / were / food //.
  
  

• Choose one sentence that has the nearest meaning to the root one:

  Mr. Thanh doesn’t live near his office.
  
  
  

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

  ambitious                  background                     tragic                      humane

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

  extreme                  telephone                    depend                   went