関連ワード:
why do we use ac instead of dc why do we use ac instead of dc in our homes why do we use ac instead of dc in homes why do we need ac instead of dc why do we have ac instead of dc why do we use alternating current instead of direct current why do we use ac power instead of dc power for long distance power transmission why would you use ac instead of dc why we use ac instead of dc at home why we use ac instead of dc current
