A) About one ampere
B) Zero
C) About two ampere
D) About four ampere
Correct Answer: A
Solution :
\[{{i}_{rms}}=\frac{200}{280}=\frac{5}{7}A.\] So \[{{i}_{0}}={{i}_{rms}}\times \sqrt{2}=\frac{5}{7}\times \sqrt{2}\approx 1A.\]
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