EXPLAIN VAN DE - GRAFT GENERATOR IN DETAIL / EXPLAIN PRINCIPLE, CONSTRUCTION AND WORKING OF VAN DE- GRAFF GENERATOR
VAN DE- GRAFF GENERATOR : IT IS A DEVICE WHICH IS USED TO ACCELERATE THE CHARGED PARTICLES & TO CREATE VERY HIGH POTENTIAL. PRINCIPLE OF VAN DE- GRAFF GENERATOR 1. IT IS BASED ON THE PRINCIPLE OF CORONA DISCHARGE. 2. WHENEVER A CHARGE IS GIVEN TO THE INNER SURFACE OF THE BODY, IT ALWAYS TRANSFER TO THE OUTER SURFACE. --------------CONSTRUCTION------------ THE ESSENTIAL PARTS OF VAN DE GRAFT GENERATOR ARE SHOWN IN FIGURE. 'S' IS A LARGE SPHERICAL CONDUCTING SHELL OF RADIUS EQUAL TO A FEW METERS. THIS IS SUPPORTED AT A SUITABLE HEIGHT OVER A INSULATING PILLARS 'P1' & 'P2'. A LONG NARROW BELT OF INSULATING MATERIAL LIKE SILK, RUBBER ETC IS WOUND AROUND TWO PULLEYS 'P1' AND 'P2' . THE BELT IS KEPT MOVING CONSTANT OVER THE PULLEYS WITH HELP OF A MOTER 'B1' AND'B2' ARE TWO SHARPLY POINTED METAL COMBS FIXED AS SHOWN 'B1' IS CALLED SPRAY COMB & B2 IS CALLED THE COLLECTING COMB. THE GENERATOR IS EN
