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FinalPracticeExam1

# FinalPracticeExam1 - FinalPracticeexam1 PHY184-1 R3 a R4 b...

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Final Practiceexam1 PHY184 - 1 1 pt R R R R 1 2 3 4 a b What is the resistance between point a and b ? The values of the resistances are: R 1 = 13.9 Ω, R 2 = 19.1 Ω, R 3 = 35.1 Ω, R 4 = 28.7 Ω. (in Ohm ) 1 . A 1 . 74 × 10 1 B 2 . 18 × 10 1 C 2 . 72 × 10 1 D 3 . 40 × 10 1 E 4 . 25 × 10 1 F 5 . 31 × 10 1 G 6 . 64 × 10 1 H 8 . 30 × 10 1 1 pt A point charge of +5.62 μ C is located at the center of a sphere with a radius of 12.1 cm. Determine the electric flux through the surface of the sphere. 2 . A 2 . 70 × 10 5 B 3 . 59 × 10 5 C 4 . 77 × 10 5 D 6 . 35 × 10 5 E 8 . 44 × 10 5 F 1 . 12 × 10 6 G 1 . 49 × 10 6 H 1 . 99 × 10 6 1 pt Due never Two charges Q 1 = 5.2 μ C and Q 2 = -3.7 μ C are located on the x-axis at x 1 = -80 m and x 2 = 82 m. What is the electric potential (V) at x 3 = 42 m? (Please note: the charge is given in micro-Coulomb. The symbol in front of the C should be a Greek letter mu.) 3 . A -287.292 B -359.115 C -448.893 D -561.117 E -701.396 F -876.745 G -1095.931 H -1369.914 1 pt Due never A parallel plate capacitor has an area of A = 85 cm 2 , a capac- itance C = 732 pF, and a separation D = 0.64 mm between the plates. What must the dielectric constant κ of the mate- rial be between the plates? 4 . A 2.075 B 2.428 C 2.841 D 3.323 E 3.888 F 4.549 G 5.323 H 6.228 1 pt A flexible loop has a radius of 0.552 m and it is inside a constant magnetic field of 0.549 T. The resistance of the loop is 3.77 Ω. The loop is grasped at points P and Q and stretched until its area is zero. It takes 0.061 seconds to close the loop.

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FinalPracticeExam1 - FinalPracticeexam1 PHY184-1 R3 a R4 b...

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