What potential difference is required across an 8.0- resistor to ...

[jilianpiloj]

What potential difference is required across an 8.0- resistor to cause 2.0 A to flow through it?
 
  What will be an ideal response?

Question 2

In an electromagnetic wave in free space, the electric and magnetic fields are
 
  A) parallel to one another and perpendicular to the direction of wave propagation.
  B) perpendicular to one another and parallel to the direction of wave propagation.
  C) perpendicular to one another and perpendicular to the direction of wave propagation.
  D) parallel to one another and parallel to the direction of wave propagation.

[Liddy]

Answer to Question 1

16 V

Answer to Question 2

C

[jilianpiloj]

Thanks for the timely response, appreciate it

[Sarahjh]

Excellent