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59: Direct Current (DC) |
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60: Generating Direct Current: Dynamos and Alternators |
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58: Peak to Peak Voltage and Alternating Frequency |
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57: Alternating Current: The Change from Positive to Negative |
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56: Alternating Current (AC) |
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55: Generators |
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54: Creating Electricity with Magnetism |
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53: Solenoid Operated Air Valves and Solenoid Type Electronic Fuel Injectors |
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52: Solenoid Operated Electro-Mechanical Relay |
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51: Solenoids: Creating Linear Movement with an Electro-Magnet |