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10-12-2022
Physics

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You are given two circuits with two batteries of emf EMF and internal resistance R1 each. Circuit A has the batteries connected in series with a resistor of resistance R2, and circuit B has the batteries connected in parallel to an equivalent resistor.
What is the current through the resistor of resistance R2 in circuit A?
Express your answer in terms of Emf, R1, and R2
Calculate the current IB through the resistor of resistance R2 for circuit B.
Express your answer in terms of Emf, R1, and R2
What is the power dissipated by the resistor of resistance R2 for circuit A, given that Emf=10V, R1=300ohms, and R2=5000ohms?

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