Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 203
... lamps are added in series , each lamp glows more dimly . When there are two lamps of the same size in series , they glow with equal brightness but are dimmer than one lamp . When there are three lamps of the same size in series , they ...
... lamps are added in series , each lamp glows more dimly . When there are two lamps of the same size in series , they glow with equal brightness but are dimmer than one lamp . When there are three lamps of the same size in series , they ...
Σελίδα 204
... lamps are connected in parallel ? ACTIVITY Connect a cell , lamp , and ammeter in series . Note the current . Add a second lamp in parallel . Note the current again . Add a third lamp in parallel . What is the current ? FIGURE 5-42 As lamps ...
... lamps are connected in parallel ? ACTIVITY Connect a cell , lamp , and ammeter in series . Note the current . Add a second lamp in parallel . Note the current again . Add a third lamp in parallel . What is the current ? FIGURE 5-42 As lamps ...
Σελίδα 337
... lamp of the same rating . The incandes- cent lamp gives about 1 candela per watt . It is a little less in small lamps and a little more in large lamps . Both of these lamps give off heat . Same amount of light 40 watts Fluorescent 120 ...
... lamp of the same rating . The incandes- cent lamp gives about 1 candela per watt . It is a little less in small lamps and a little more in large lamps . Both of these lamps give off heat . Same amount of light 40 watts Fluorescent 120 ...
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UNIT | 1 |
UNIT | 49 |
distributors of the John Frankenheimer film Grand Prix A General Electric Company 337 bottom rightGeneral Electric | 92 |
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acid acting ACTIVITY added amount atoms beam become body called carbon causes cell charges chemical chemical change circuit color combining compounds connected contains copper determined direction distance earth effort electrical electrical charges electrons elements energy engine equal experiment explain facts feet FIGURE flow force fuel gain gives glass grams happens heat hour hydrogen inch increases ions iron kinds lamp laser layer length light liquid magnet mass materials matter means measure metal miles mirror molecules moon motion move nature needed object oxygen particles piece plane plate pole position pounds pressure produced push rays reflected resistance Result rock scientists shell side sodium solution sound space speed spring stars Study surface temperature Terms theory travels tube turns units waves weight wire