Dòng điện  A có giá trị hiệu dụng bằng:

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Một số câu hỏi khác có thể bạn quan tâm.

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

  What preparations did you and your family made?
  
  

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

  them / all / of / promised / to / come / my / to / house /.
  
  

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

  During / weekends / she / cooks / bakes / and / many / types / cakes / of / and / cookies /.
  
  

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

  her / helps / husband / her / clean / to / the / house /.
  
  

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

  the / when / all / preparations / been / have / completed /, / she / feels / happy/.
  
  

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

  Have you ever hear about the Medecins Sans Frontieres (MSF)?

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

  It helps people who has suffered badly in wars or natural disasters.

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

  Are you able to work independent as well as in a team?

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

  Do you need to have medical qualifications to work at that organisation?

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

  Do you think that the rewards of the volunteer work can enormous?