CBSE Class 10 Answered
To my previous question you had answered that the no. of electron passing through a resistor in series are same. So the current is equal.
But a resistor prevents the flow of electrons so the time taken by the electrons to move through the resistor increases.Therefore there is a decrease in current because current is inversely proportional to time taken.
Asked by JAVED AHMED | 20 May, 2014, 01:39: PM
Expert Answer
A resistor opposes flow of electrons through it. Hence the electrons flowing through the circuit experiences an opposing force by the resistor. There should be some external means who must contribute additional energy to compensate the energy lost due to resistor in circuit and to drive the electrons with the same initial speed. This additional energy is supplied by the battery which is connected in the circuit. Hence the current in series never get reduced because the battery supplies the necessary driving force continuously.
Answered by Ravindra Kapal | 20 May, 2014, 02:39: PM
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