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# Capa6 - 1[1 point 10 tries What is the emf E of the battery...

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1 . [1 point, 10 tries] What is the emf, E , of the battery in the circuit of the figure below? Assume that R 1 = 1.10 Ω, R 2 = 2.90 Ω, R 3 = 5.20 Ω, R 4 = 1.50 Ω, R 5 = 11.0 Ω, V = 7.00 V and I = 2.40 A. Answer: 1.52e+01 V 1 2 . [1 point, 10 tries] An uncharged capacitor and a resistor are connected in series to a source of emf. If E = 6.00 V, C = 25.0 µF, and R = 135 Ω, calculate the time constant of the circuit. Answer: 3.37e-03 s 1 3 . [1 point, 10 tries] Calculate the maximum charge on the capacitor. Answer: 1.50e-04 C 1 4 . [1 point, 10 tries] Calculate the charge on the capacitor after one time constant. Answer: 9.48e-05 C 1 5 . [1 point, 10 tries] In the figure below, R 1 = 0.500 Ω, R 2 = 5.00 Ω, R 3 = 50.0 Ω and R 0 = 500 Ω.

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Calculate the equivalent resistance of the circuit when a 4.00 V power supply is connected between points A and B . Answer: 5.00e-01 ohm 1 6 . [1 point, 10 tries] The ammeter shown in the figure below, reads 1.72 A. E 1 =15.0 V, R 1 =7.00 Ω, R 2 =5.00 Ω and R 3 =3.00 Ω. Calculate I 1 . Answer: 9.14E-01 A 1 7 . [1 point, 10 tries] Calculate I 2 .
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