The ratio arms of the Kelvin bridge (shown) are R1 = R2 b a 350 12. The galvanometer has an internalresistance of 350 12 and a current sensitivity of 160 mm/ MA. The unknown resistance Rx = 0.1005 12 and thestandard resistance is set a 0.1000 12. A dc current of 4A is passed through the standard resistance from a 2.2 Vbattery in series with a rheostat. The resistance of theyoke may be neglected (Ry = 0 which is a goodapproximation for this problem). Answer the followingquestions: E Hile 09 0 win R3 b. IA) the deflection ofthe galvanometer mm The resistance unbalancerequired to produce galvanometer deflection of 1 mmSF

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Answered: The ratio arms of the Kelvin bridge…

College Physics

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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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The ratio arms of the Kelvin bridge (shown) are R1 = R2 = b = a = 350 12. The galvanometer has an internal resistance of 350 12 and a current sensitivity of 160 mm/ MA. The unknown resistance Rx = 0.1005 12 and the standard resistance is set a 0.1000 12. A dc current of 4 A is passed through the standard resistance from a 2.2 V battery in series with a rheostat. The resistance of the yoke may be neglected (Ry = 0 which is a good approximation for this problem). Answer the following questions: E Hile 09 0 win R3 b. IA) the deflection of the galvanometer mm The resistance unbalance required to produce galvanometer deflection of 1 mm
The two figure panels show two ways to connect a real (non-ideal) voltmeter and a real ammeter in a circuit to calculate the resistance R. The internal resistance of the voltmeter is Rv and the internal resistance of the ammeter is Ra. The current flows from left to right in both panels, and the potential difference Vac between points a and c in both panels is the same. In panel (a)  the voltmeter reads Vac = 12.1 V and the ammeter reads I1 = 0.098 A. In panel (b) the voltmeter reads Vab = 12.0 V and the ammeter reads I2 = 0.100 A. I need help with Part E.
A voltage V(t) = Vm sin(wt) is applied across a 49 ohm resistor. What is the average power in Watts dissipated in the resistor? Vm = 12 volts
You are working in a lab where RC circuits are used to delay the initiation of a process. One particular experiment involves an RC circuit with a half-life of t₁/2 life needs to be extended. He asks you to change the resistance of the circuit to make the half-life longer. All you can find in the supply room is a single 35.0 old to extend the half-life of the circuit. Determine the new half-life (in s). = 3.00 s. Your supervisor is concerned that the initiation of the process is occurring too soon and that the half- resistor. You look at the RC circuit and see that the resistance is 26.0 0. You combine the new resistor with the
A copper wire has a resistance of 15 Ω at some temperature. An aluminum wire has 3 times the length and 5 times the radius of the copper wire. The resistivity of copper is 0.7 times that of aluminum. What is the resistance, in Ω, of the aluminum wire at the same temperature? Round your answer to 0 decimal places.
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A series circuit has two resistors with values R1 = 7.0 Ω and R2 = 2.0 Ω. If the potential of the circuit is 10.0 V, what is the current through R1?
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You have a circuit consisting of a power supply, switch, resistor, two capacitors, and voltage/current probes. The resistor has the value R1 = (1.8 ± 10%) MQ. The capacitors have %3D the values C1 = (0.6 ± 20%) µF and C2 = (2.2 ± 20%) µF. The logger pro data resembles the plot below. 40 35 30 25 20 15 10 1 2 3 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a) Label the title and all the axes on the plot above. Identify which region corresponds to the capacitors charging and discharging. Be sure to include appropriate units (MKS).

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