I have doubt about the Wide Power lines ?

[madhu b]

Hello Everyone,

I have the doubt about the power lines which means that if we use the wide power lines in the PCB layout what is the impedence?
I mean that low-impedence or high-impedence?
Please give me the clear explanation about this topic...

 

[nikhilele]

Wide power lines are giving low impedance
epecially ground needs to be very wide its not only low impedance path but gives EMI redcution

 

[mspagon]

The larger the path the more electrons can flow I.E. more current... This means the path has a low-impedance...