HUABAN Hand Crank Generator High Power for Outdoor Mobile Phone Computer 30W / 0-28V with USB Plug (Green Generator + DC Regulator)

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Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy

The shaking speed should not be too fast so as to avoid the output voltage being too high and burning the bulb. 3A is connected in series, and the load pressure is not less than 5V. Hand crank generator is intended to demonstrate the basic structure and working principle of AC and DC generators for the teaching of secondary school physics and elementary natural sciences. Operation Tips:1, According to the needs of the output is alternating current and direct current, the brushes are placed on both ends or in the middle of the same ring. Features:1, DEMONSTRATION of TWO TYPES of GENERATORS: a), AC GENERATOR: move the brush to the whole ring part of the collecting ring first, then use sliding varistor. AC/DC hand generator is an easy yet effective way to teach how AC and DC electricity is produced. Specifications:Item Name: Hand Crank AC/DC GeneratorMaterial: MetalWeight: 2150gPackage Dimensions: 31 x 19 x 15cmPackage Weight: 2200gPacking: BoxPackage Content:1 x Hand Crank AC/DC Generator ( two colors send randomly) DC current meter to form the external circuit, connect the output end of the generator to slowly rotate the generator rotor, galvanometer will clearly show the direction of current change, or you can use DC voltmeter to connect to the output for demonstration.