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A group of N cells such its emf EN = 1.5rN is shown in the diagram below. What is the current I in the circuit?

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MCQs on electric current, ohms law and its limitations, electrons drift and resistivity origin, various materials resistivity, electrical energy and power, resistivity temperature dependence, resistors combination, cells, emf and internal resistance, kirchoffs law, potentiometer, wheatstone and meter bridges.


A group of N cells such its emf E<sub>N</sub> = 1.5r<sub>N</sub> is shown in the diagram below. What is the current I in the circuit?<br><img src='https://www.fatskills.com/wp-content/uploads/2020/11/physics-exam-questions-schools-q9.png' width='300' height='306' />






 
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