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Current Electricity

This chapter introduces the students to electric current, drift velocity, mobility and its relation to electric current, the concept of Ohm’s law, electrical resistance and the V-I characteristics, electrical energy, power, the concept of electrical resistivity and conductivity. The students are also made familiar to carbon resistors, color coding for carbon resistors, different combinations of resistors and the temperature dependence of resistance. The other topics covered in this chapter incl

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