The figure shows the time variation of the magnitude of the electric field of an electromagnetic wave produced by a wire antenna. 
-What is the magnitude of the electric field at t = 3.34 × 10-10 s?
A) 2.0 N/C
B) 5.0 N/C
C) 7.1 N/C
D) 10.0 N/C
E) zero N/C
Correct Answer:
Verified
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