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In the figure the resistances are R1 = 1.5 Ωand R2 = 3.0 Ω, and...

In the figure the resistances are R1 = 1.5 Ω and R2 = 3.0 Ω, and the ideal batteries have emfs ε1 = 1.8 V, and ε2 = ε3 = 3.7 V. What
are the (a) size and (b)direction (up or down) of the current in battery 1, the(c) size and (d) direction of the current in battery 2, and the (e) size and(f) direction of the current in battery 3?(g) What is the potential differenceVa - Vb?
?

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Answer #1

dl Given E.; 1.gv E- - 3.7v signs indicates that the asigned diuctiona ona opesite to tha actual disuchans 1 Hence from ale, u b→a (o-2 A) see figune). Let us take current foon callof emf E, 이,8 vis linclockuria disuctian as shown in cinuit At Junction a, 1-1 -0 Potenbial dnop betoen a and b u 37-Co 20x3 Using tba above in -3 (25)-31 -> 1-9 1: ▼6.211 A a.

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