Asked by sophie

An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave?
A. 2.0 x 10^6 Hz
B. 4.8 x 10^-7 Hz
C. 1.8 x 10^24 Hz
D. 5.3 x 10^-22 Hz
I got B..?

When the currents in two parallel metal conductors are in the same direction, the conductors ____ each other.
A. attract
B. repel
C. do no exert any force
D. exert forces that are perpendicular to
I got D..?
Answered by bobpursley
first right,second wrong.
Answered by Anonymous
   6.  A  current-‐carrying  conductor  is  kept  at  right  angles  to  the  direction  of  a  magnetic  field.  What  happens  to  the  force  acting  on  the  wire  if  the  strength  of  the  magnetic  field  doubles?  
Answered by Anonymous
 A  current-‐carrying  conductor  is  kept  at  right  angles  to  the  direction  of  a  magnetic  field.  What  happens  to  the  force  acting  on  the  wire  if  the  strength  of  the  magnetic  field  doubles?  
There are no AI answers yet. The ability to request AI answers is coming soon!