GCSE SCIENCE:CIRCUITS

Question	Answer
WHAT IS AC?	If the current constantly changes direction it is called alternating current, or AC. Mains electricity is an AC supply.
what is the UK main supply? and what does is have a frequency of?	The UK mains supply is about 230 V. It has a frequency of 50 Hz
what is dc?	If the current flows in only one direction it is called direct current, or DC.
is this a picture of ac or dc? Image: 5c95a7a9-7a16-41c5-b60d-8c92c2ac1216 (image/png)	AC
is this a picture of ac or dc? Image: d46d0ff0-0199-49c4-9cc8-c83aac42f5cc (image/png)	DC
Components that are connected one after another on the same loop of the circuit are connected in a?	series
Components that are connected on separate loops are connected ?	parallel
what is current measured in?	Amps
What type of current flows from batteries?	DC
What name is given to current that flows in one direction only?	direct current

Resource summary

	Created by Moonnight 15 about 7 years ago