IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => IGCSE/ GCSE => Sciences => Topic started by: Naruto123 on December 08, 2009, 04:51:51 pm

Title: helppppppppp physics cant this concept
Post by: Naruto123 on December 08, 2009, 04:51:51 pm

wat happens in a dc electric motor and ac electric motor (the difference )

 plz help

Title: Re: helppppppppp physics cant this concept
Post by: Naruto123 on December 08, 2009, 05:22:19 pm

pl also answer question 9 b in ppr3 in may june 2009

Title: Re: helppppppppp physics cant this concept
Post by: staceyboy3 on December 08, 2009, 11:34:32 pm

Quote from: 123456789 on December 08, 2009, 04:51:51 pm

wat happens in a dc electric motor and ac electric motor (the difference )

 plz help

dc is direct current, means electricity moves in one direction. ac is alternating current, means electricity goes back and forth

Title: Re: helppppppppp physics cant this concept
Post by: Saladin on December 17, 2009, 04:08:40 am

I have answered this question many times.The dc current will from from only positive to the negative side. But the ac current will flow from both positive and negative.