{ "item_title" : "Alternating Current -Simply Explained!", "item_author" : [" Adrian Waygood "], "item_description" : "'Alternating Current -Simply Explained ' uses the author's unique approach to the subject, which explains how anyone with a basic knowledge of d.c. circuits, and who can solve right-angled triangles using Pythagoras's Theorem and the sine, cosine, and tangent trigonometric functions, can learn to thoroughly understand and solve single-phase alternating-current series and parallel circuits, without memorising ANY of the dozens of equations normally associated with this topic. Each chapter shows, using step-by-step examples, how to construct phasor diagrams, from which all necessary equations can then be derived using simple geometry and trigonometry... without the need to memorise those equations ", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/72/878/089/1728780896_b.jpg", "price_data" : { "retail_price" : "15.99", "online_price" : "15.99", "our_price" : "15.99", "club_price" : "15.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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