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Re: Model Question Bank AHSEC
I am providing you the model question paper of Current Electricity of Class XII of Assam Higher Secondary Education Council AHSEC AHSEC Class XII Current Electricity question paper 1.What is Ohm’s law ,Define resistance and resistivity 2.What is current density ? Obtain Ohm’s law in classical form . 3.What is drift velocity ? Final an expression for it.Prove that is independent of time 4.Find an expression for current in terms of drift velocity 5.Proof of Ohm’s law and expression for resistance , resistivity , current density & conductivity 6,What is mobility 7.Write down the limitation of Ohm’s law 8.What is resistance , give the colour code 9.What is resistivity ?Give its relation with temperature 10.Draw the graph temperature and resistivity of metal,alloy and semiconductor/a> 11.How with temperature,resistivity of metal & insulator or semiconductor changes ? 12.What is internal resistance of a cell ? Find an expression for it . 13.Define Emf and terminal potential difference . Why emf is always greater than terminal potential different of the cell Contact Assam Higher Secondary Education Council Bamunimaidam, Guwahati781021 Tel: 03612551565, FAX 03612550844 Email: ahsec1@yahoo.com, infoahsec@nic.in 
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