Physical Science for ProgressPrentice-Hall, 1970 - 626 σελίδες |
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Σελίδα 192
Milton O. Pella. SECTION TWO ELECTRICAL CHARGES 192 FIGURE 5-25 Electrons flowing in an electric current . STATIC CHARGES □ Friction produces electrical charges . Have you ever felt a shock when getting out of a car ? You slide over the ...
Milton O. Pella. SECTION TWO ELECTRICAL CHARGES 192 FIGURE 5-25 Electrons flowing in an electric current . STATIC CHARGES □ Friction produces electrical charges . Have you ever felt a shock when getting out of a car ? You slide over the ...
Σελίδα 194
... charges between clouds or between clouds and the ground . Lightning rods protect buildings by conducting the electric charges into the ground . Lightning is a ... Electrical charges flow in a circuit . 194 Unit V / ELECTRICITY AND MAGNETISM.
... charges between clouds or between clouds and the ground . Lightning rods protect buildings by conducting the electric charges into the ground . Lightning is a ... Electrical charges flow in a circuit . 194 Unit V / ELECTRICITY AND MAGNETISM.
Σελίδα 195
Milton O. Pella. CURRENT ELECTRICITY □ Electrical charges flow in a circuit . Elec- trical charges can do work only when they move . What is needed in order that elec- trical charges may move ? ACTIVITY Connect wires to a lamp and dry ...
Milton O. Pella. CURRENT ELECTRICITY □ Electrical charges flow in a circuit . Elec- trical charges can do work only when they move . What is needed in order that elec- trical charges may move ? ACTIVITY Connect wires to a lamp and dry ...
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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