A circuit is set up as the figure below. . (a) Find current I₁ and I2. (b) If the 3 resistor is a heater and is heating a cup of 30 g of water and 10 g of ice that is originally at 0°C. What would be the final temperature of the water after 30 minutes? (c) Draw two arrows at location P to show the direction of magnetic field due to Wirel and Wire2, respectively. 18 V 402 m m 202 12 Ω. • P 1₁ MAA 1Ω Wire1 Wire2 3Ω

A circuit is set up as the figure below. . (a) Find current I₁ and I2. (b) If the 3 resistor is a heater and is heating a cup of 30 g of water and 10 g of ice that is originally at 0°C. What would be the final temperature of the water after 30 minutes? (c) Draw two arrows at location P to show the direction of magnetic field due to Wirel and Wire2, respectively. 18 V 402 m m 202 12 Ω. • P 1₁ MAA 1Ω Wire1 Wire2 3Ω

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A circuit is set up as the figure below. .
(a) Find current I₁ and I2.
(b) If the 3 resistor is a heater and is heating a cup of 30 g of water and 10 g of ice that is
originally at 0°C. What would be the final temperature of the water after 30 minutes?
(c) Draw two arrows at location P to show the direction of magnetic field due to Wirel and
Wire2, respectively.
18 V
L
4Ω
M
202
12 02
P
1₁
AAA
1Ω
Wire1
Wire2
3Ω

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The figure below shows a simplified model of a cardiac defibrillator, a device used to resuscitate patients in ventricular fibrillation. R C Riorso + When the switch S is toggled to the left, the capacitor C charges through the resistor R. When the switch is toggled to the right, the capacitor discharges current through the patient's torso, modeled as the resistor Rorso allowing the heart's normal rhythm to be reestablished. HINT (a) If the capacitor is initially uncharged with C = 8.25 µF and E = 1270 V, find the value of R (in ohms) required to charge the capacitor to a voltage of 795 V in 1.20 s. 3.904*10**-6 (b) If the capacitor is then discharged across the patient's torso with Rorso = 1240 0, calculate the voltage (in V) across the capacitor after 4.50 ms. 512.06 V
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