var TREE_ITEMS = 
[
	['Learning Resources for CBSE Grade 12',null,		
			['Electric charges and fields  ', null,
				['Electric Charges', null],
				['Conductors and Insulators', null],
				['Charging by Induction', null],
				['Basic Properties of Electric Charge', null],
				['Coulomb’s Law', null],
				['Force between Multiple Charges', null],
				['Electric Field', null],
				['Electric Flux', null],
				['Electric Dipole', null],
				['Dipole in a Uniform External Field', null],
				['Continuous Charge Distribution', null],
				['Gauss’s Law', null],
				['Application of Gauss’s Law', null],

			],
			['Electrostatic potential and capacitance', null,
				['Electrostatic Potential', null],
				['Potential due to a Point Charge', null],
				['Potential due to an Electric Dipole', null],
				['Potential due to a System of Charges', null],
				['Equipotential Surfaces', null],
				['Potential Energy of a System of Charges', null],
				['Potential Energy in an External Field', null],
				['Electrostatics of Conductors', null],
				['Dielectrics and Polarization', null],
				['Capacitors and Capacitance', null],
				['The Parallel Plate Capacitor', null],
				['Effect of Dielectric on Capacitance', null],
				['Combination of Capacitors', null],
				['Energy Stored in a Capacitor', null],
				['Van de Graaff Generator', null],
			],
			['Current electricity', null,
				['Electric Current', null],
				['Electric Currents in Conductors', null],
				['Ohm’s law', null],
				['Drift of Electrons and the Origin of Resistivity', null],
				['Limitations of Ohm’s Law', null],
				['Resistivity of various Materials', null],
				['Temperature Dependence of Resistivity', null],
				['Electrical Energy, Power', null],
				['Combination of Resistors - Series and Parallel', null],
				['Cells, emf, Internal Resistance', null],
				['Cells in Series and in Parallel', null],
				['Kirchhoff’s Laws', null],
				['Wheatstone Bridge', null],
				['Meter Bridge', null],
				['Potentiometer', null],

			],
	]
];