What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1, R2, and R3 respectively. Input E for the emf '. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. R1 R2 R3 (A First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current: I= Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is in milliamperes) 11= mA Similarly the current across R2 is: 12= And the current across R3 is: 13= mA

What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1, R2, and R3 respectively. Input E for the emf '. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. R1 R2 R3 (A First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current: I= Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is in milliamperes) 11= mA Similarly the current across R2 is: 12= And the current across R3 is: 13= mA

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

What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2
kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts.
Input R1, R2, and R3 for resistors R1, R2, and R3 respectively. Input E for the emf '. Use
context clues to figure out if you need to input a numerical value, variable, word, etc. All
numerical answers should be in three significant figures.
R1
R2
R3
(A
First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for
current:
I=
Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is
in milliamperes)
11=
mA
Similarly the current across R2 is:
12=
And the current across R3 is:
13=
mA

The current read by the ammeter is the sum of the currents across each resistor:
l=11+12+13
mA
Alternatively, we can solve for the current across the ammeter by first calculating the equivalent
resistance and then applying Ohm's law.
The equivalent resistance of the three resistors in parallel is:
1/Re =1/R, +1/R2 + 1/
Thus,
Ω
Req=

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What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1. R2, and R3 respectively. Input E for the emf E. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. R| R2 R3 First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current: Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is milliamperes) Similarly the current across R2 is: 12= mA And the current across R3 is: 13 = mA The current read by the ammeter is the sum of the currents across each resistor: 1=h+/2 +13 |= Alternatively, we can solve for the current across the ammeter by first calculating the equivalent resistance and then applying Ohm's law. The equivalent resistance of the three resistors…
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A 12.0V battery is wired in series with 3 resistors, 8 Ohm, 15 Ohm and 75 Ohm. a.) Using either the computer drawing tools or a scanned hand written diagram, draw this circuit including proper symbols and labels. (Do not copy and paste an image from any other resource) b.) Find the equivalent resistance and current flowing through each resistor. Show your work and label your diagram with the current amount and direction of flow. GEind the voltage drop, across each resistor in the circuit. Show your work.
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A circuit is constructed as shown in the diagram to the right. R1 = 59 Ω, R2 = 33 Ω, R3 = 23 Ω, and R4 = 65 Ω. a.) Write an equation for the equivalent resistance of the resistors in circle A in terms of the individual resistances. b.) Write an equation for the equivalent resistance of the circuit in terms of R1, R4, and the equivalent resistance of circle A, RA. c.) Calculate for the equivalent resistance of the circuit in ohms.