1 pts At one instant, the electric and magnetic fields at one point of an electromagnetic wave are
vec(E)=(+242hat(i)+157hat(j)-203hat(k))(V)/(m)
and
vec(B)=B_(0)(+271hat(i)-204hat(j)+ahat(k))\mu T
. What is the value of
a
? (Hint: Remember two perpendicular vectors have a zero dot product.) 165.3
-40.0
94.7 16.5 42.6

Question

1 pts At one instant, the electric and magnetic fields at one point of an electromagnetic wave are

vec(E)=(+242hat(i)+157hat(j)-203hat(k))(V)/(m)

and

vec(B)=B_(0)(+271hat(i)-204hat(j)+ahat(k))\mu T

. What is the value of

a

? (Hint: Remember two perpendicular vectors have a zero dot product.) 165.3

-40.0

94.7 16.5 42.6

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