The New book of knowledge, Volum 11An illustrated encyclopedia containing over 9,000 articles on history, literature, art and music, geography, myths and legends, mathematics, science, hobbies, holidays and festivals, games, sports, crafts, medicine, law, government, industry, politics, and other topics. |
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Side 122
ALTERNATING CURRENT GENERATOR DIRECT CURRENT GENERATOR
CURRENT ALWAYS FLOWS IN SAME ... The power of an electric current — that
is, the amount of work it can do — depends on two things: the voltage and the ...
ALTERNATING CURRENT GENERATOR DIRECT CURRENT GENERATOR
CURRENT ALWAYS FLOWS IN SAME ... The power of an electric current — that
is, the amount of work it can do — depends on two things: the voltage and the ...
Side 134
In fact, it is constantly changing voltage and direction. You will see why in a
moment. > ALTERNATING CURRENT When a wire is connected to the terminals
of a battery, a current flows. The electrons of the current move in only one
direction, ...
In fact, it is constantly changing voltage and direction. You will see why in a
moment. > ALTERNATING CURRENT When a wire is connected to the terminals
of a battery, a current flows. The electrons of the current move in only one
direction, ...
Side 137
Alternating Current and Direct Current. Designing electric motors can be a
problem because there are two kinds of electric current. One kind is alternating
current, or AC. Alternating current continually changes the direction of its flow. It
flows in ...
Alternating Current and Direct Current. Designing electric motors can be a
problem because there are two kinds of electric current. One kind is alternating
current, or AC. Alternating current continually changes the direction of its flow. It
flows in ...
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19th century actinide series Africa Age of Exploration Akhenaten alternating current American ancient animals became began British building built called canal century changes charge chemical church cities coast coil crust developed earth earthquake East eclipse Ecuador eels eggs Egypt Eisenhower electric current electric motor electronic music electrons elements elephants elevator energy engine England English Equatorial Guinea ERBIUM Eskimos Ethiopia Europe European explosives fish flow France Greek heat important Indian Indian elephant industry iron islands kilometers kind king land language lanthanide learned light live magnet ment metal meters modern mountains move nations North ocean oxygen painted Parliament plants plate poems poet poles pollution produce promethium radio River rock Roman schools scientists Soviet Spain steam surface tion United uosipg voltage vote waves William wire wrote