SSC MCQ Question Ans CURRENT ELECTRICITY. We rely on electricity in different areas of our daily lives. Most of the modern instruments and equipment’s are run by electricity. We have come to depend so much on electricity that it is difficult to imagine what would be life without electricity. In the previous chapter, we have discussed static electricity. In this chapter different quantities related to current electricity e.g. electric current, resistance, electromotive force, and the potential difference will be described. In addition, the direction of electricity, conductor, insulator and semiconductor, electric circuit, Ohm’s law, fixed and variable resistance, the dependence of resistance, series and parallel combination of resistance, electric power, system loss of electricity and load shedding, safe and effective use of electricity will be discussed.
SSC MCQ Question Ans CURRENT ELECTRICITY
When two bodies of different potential are connected by a conducting wire, electrons flow from the body of low potential to that of higher potential. This flow of electron continues until the potential difference between the two bodies becomes zero. If by any process the potential difference between the two objects is maintained, then this flow of electron goes on continuously. This continuous flow of electrons is electric current.
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