ec Secure https//edugen Lu Halliday, Fundamentals of Physics, 10e GENERAL PHYSIC

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ec Secure https//edugen Lu Halliday, Fundamentals of Physics, 10e GENERAL PHYSICS ( 201/202/3e1ooglea dy & Practice Gradebook ORION Downloadable eTextbook n Assignment BACK EEN PRKINTER Chapter 27, Problem 002 hap of gravity In the figure the ldeal batteries have omfs c 150 V and t 0Vand the resaistances are R -3.0 9 and mcant tig ?. If the potential at p is defined to be 150 V, what is the potential at O? Units Number the tolerance is +/-2% Click if you would like to Show Work for this question of grav ficant fig Oen Show Work o TEXT PROBLEM VIDEO MINI-LECTURE you will learn while you earn points based on the Point Potential Policy set by By accessing this Question Assistance, your instructor Question Attempts: Unlimited SAV.ORLATERI-NT-? Earn Maximum Points available only if you

Explanation / Answer

Here ,

let the current in the circuit is I

Using KVL in the loop

150 - (3 + 2) * I - 50 = 0

I = 20 A

Now , for the potential at point Q

VP - VQ - E2 - 3 * 60 = 0

150 - VQ - 50 - 3 * 60 = 0

solving for VQ

VQ = - 80 V

the potential at Q is - 80 V

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