An AC source is rated $222 \,V , 60 \,Hz$. The average voltage is calculated in a time interval of $16.67 \,ms$. It
An AC source is rated $222 \,V , 60 \,Hz$. The average voltage is calculated in a time interval of $16.67 \,ms$. It
- A
Must be zero
- B
May be zero
- C
Is never zero
- D
Is $(111 \sqrt{2}) \,V$
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