The electric current I in a circuit shown in the figure was measured as a function of theresistance R in the circuit. The relationship between I and R is given byR+rwhere e is the emf of the battery in the circuit and r is the internal resistance of the battery.ɛ,ra) Linearise the equation above, and state which variable you would plot on the x-axis andwhich on the y-axis.b) How are ɛ and r related to the gradient and/or y-intercept of the graph?

Given: The relation between current voltage resistance and internal resistance is,

Answered: The electric current I in a circuit…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 74AP: Consider a circuit that consists of a real battery with an emf and an internal resistance of r...

See similar textbooks

Similar questions

Consider a circuit that consists of a real battery with an emf and an internal resistance of r connected to a variable resistor R. (a) In order for the terminal voltage of the battery to be equal to the emf of the battery, what should the resistance of the variable resistor be adjusted to? (b) In older to get the maximum current from the battery, what should the resistance variable resistor be adjusted to? (c) In order for the maximum power output of the battery to be reached, what should the resistance of the variable resistor be set to?
The electric current I in a circuit shown in the figure was measured as a function of the resistance R in the circuit. The relationship between I and R is given by ?=??+? where ? is the emf of the battery in the circuit and r is the internal resistance of the battery. a) Linearise the equation above, and state which variable you would plot on the x-axis and which on the y-axis. b) How are ? and r related to the gradient and/or y-intercept of the graph?
A TV works properly under the voltage of 4V= 110 V with power P = 1560 W. Express the current I through the power P and the voltage AV. I = Calculate the working current of the TV in A. I = Express the resistance R through the voltage AV and the current I. R = |Calculate the numerical value of R in 2. R =
Circuit Problem: Express each labelled voltage and current (e.g., vx, ix) in terms of the resistances and source currents and voltages (e.g., R0).
Ohm's law states that the electric current flowing through a conducting wire, I is directly proportional to the potential difference across its ends, V, provided its temperature stays unchanged. Draw a labelled circuit diagram to verify this law. Explain the function of each component on the circuit.
In the circuit in Figure 2, Iş = 100(mA) and Rg = 10kN. It is required that the current through Rị equal 25 mA and the current through R2 equal 50 mA. Find the resistances R1 and R2. Is (4) Rs R1 R2 Figure 2: Circuit for Problem 2.
In the schematic below two batteries are in series and drive current through the circuit as shown. The first resistor has a voltage drop AV₁ = 1.2 V, the middle resistor has a resistance of R = 64, and the last resistor has a voltage drop AV₂ = 1 V. Given these parameters, what is the magnitude of current flowing through the circuit in milli-amps (mA)? Giver your answer to 3 significant figures. AV, ww 3.0 V 4.5 V ww ΔV, ww R
Use E, C,t,R as variables and "*" for multiplication,"/"for division. And use brackets where necessary. exp (-a)should be written as e^(-a) Given the resistance R and capacitance C of an RC circuit,we apply an emf of E volts. What is the maximam charge that can be stored in the capacitor. After completing the circuit we wait for t seconds. What is the stored charge now?.
For the circuit shown in the figure below, determine voltages (voltage drops) Vị, V2 , absolute voltage Va at node a versus ground, and circuit current I. Express voltages in volts and current in milliamperes. Keep three significant digits. You are given Vs = 10 V. + + V, - 8 kO a + 14 4 kΩ. V2 Vs 4 ΚΩΣ OV -
In the circuit in (Figure 1) the voltage and current expressions are v = 36e 25t V, t≥ 0; i = 12e 25 mA, Figure C t≥0¹. + VR T 1 of 1 Part A Find R. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) R = Submit Part B μÅ Value Units ? Find C. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)
V1 1] Consider the circuit in the diagram with an unknown resistor R. The known resistor is R₁ = 1k, the power supply voltage is V, 12 Volts, and the measured output voltage is Vx8 Volts. Multisim insists on values, so I put -10 for the 12V unknown. I'll try to take this approach consistently in the homework diagrams, if possible. A) Determine the value of R. B) Determine the current i through the resistors. C) Determine the total power P supplied by the power supply. Hilt R1 ww 1kQ www Rx -122 XMM1 to is
During an experiment to verify Ohm's law, the voltage supplied and the current through a circuit are measured. [Voltage is measured in Volt (V) and current in Ampere (A)]. V www R A Battery The measured value of the current is I = 2.8 ± 0.1 A and that of the voltage is V = 18 ± 0.4 V. The resistance of the circuit %3D %3D (in Q) can be calculated using the formula, R =V/I, Calculate the, a) Resistance (in Q) = b) Fractional uncertainty in the resistance = c) Absolute uncertainty (in 2) in the resistance=

SEE MORE QUESTIONS

Recommended textbooks for you

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

College Physics

Physics

ISBN:

9781938168000

Author:

Paul Peter Urone, Roger Hinrichs

Publisher:

OpenStax College

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

College Physics

Physics

ISBN:

9781938168000

Author:

Paul Peter Urone, Roger Hinrichs

Publisher:

OpenStax College

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

SEE MORE TEXTBOOKS