Em Waves Question 89
Question: In an apparatus, the electric field was found to oscillate with an amplitude of $ 24V/m $ . The magnitude of the oscillating magnetic field will be
Options:
A) $ 6\times {{10}^{-6}}T $
B) $ 2\times {{10}^{-8}}T $
C) $ 8\times {{10}^{-8}}T $
D) $ 12\times {{10}^{-6}}T $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] $ \frac{E}{B}=C\Rightarrow B=\frac{E}{C}=\frac{24}{3\times 10^{8}}=8\times {{10}^{-8}}T $
BETA
