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Home Q & A Board Science-Related Homework Help Physics
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inkster inkster
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5 months ago

Some household appliances have plugs with two prongs while others have three prongs. The additional prong is



▸

for direct current.



▸

for 120-Hz voltage.



▸

to connect to ground.



▸

for additional mechanical strength.



▸

for 240-Hz voltage.

Textbook 
College Physics

College Physics


Edition: 5th
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Boba155Boba155
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5 months ago
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inkster Author
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5 months ago
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