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Mobile/ Laptop Repair Technician courses - Chapter 1

Mobile/ Laptop Repair Technician courses ---- Chapter 1 FUNDAMENTALS OF BASIC ELECTRONICS AND ELECTRICAL Wh at is electricity? •     W hat are electrons? •     W hat m akes them m ove from atom to ato m ? •     W hat is V olta g e? •     W hat is C urrent? •     W hat is R esistance? •     H ow d o these three conce p ts relate to each other? •    W hat are con d uctors, w hat are insulators? Cu rre n t (I) C urrent is the q uantity of electrons p assing a g iven p oint. T he u nit of current is the Amp ere. Vo lta g e (V o r E) V olta g e is electrical p ressure or force. V olta g e is so m eti m es referred to as Potential. V olta g e D rop is the d ifference in V olta g e b et w een the t w oen d s of a con d uctor throu g h w hich current is flo w in g . P ow er (P) T he w ork p erfor m ed b y an electrical current is called Po w er. T he unit