sistors it 1 (see the figure), ohmic resistor R, dissipates 4 watts; in circuit 2, ohmic resistor Rz dissipates 23 watts. The wires and batteries have negligible resistance. The circuits contain 10V batteries. Circuit Circuit 2 -) What is the resistance of R, and of R2? -25 2-4.34 ) Resistor R, is made of a very thin metal wire that is 2 mm long, with a diameter of 0.1 mm. What is the electric field inside this metal resistor? 000 v V/m ) The same resistors are used to construct circuit 3, using the same 10V battery as before. Circuit 3 R: Thich of the following graphs best represents the potential as a function of position around circuit 3? wwww ) In circuit 3, calculate the number of electrons entering R every second, and the number of electrons entering R2 every second. 13e+18 v electrons/s (R) :13e+18 v electrons/s (R2) =) What is the power output of the battery in circuit 3? 20 x W

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 40P: Four resistors are connected to a battery as shown in Figure P21.40. The current in the battery is...
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Two resistors
In circuit 1 (see the figure), ohmic resistor R, dissipates 4 watts; in circuit 2, ohmic resistor R, dissipates 23 watts. The wires and batteries have negligible resistance. The circuits contain 10V batteries.
Circuit 1
Circuit 2
10 V
10 V
(a) What is the resistance of R, and of R2?
R1= 25
R2= 4.34
(b) Resistor R, is made of a very thin metal wire that is 2 mm long, with a diameter of 0.1 mm. What is the electric field inside this metal resistor?
5000
V V/m
(c) The same resistors are used to construct circuit 3, using the same 10V battery as before.
10 V
Circuit 3
R
Which of the following graphs best represents the potential as a function of position around circuit 3?
J0V
10 V
10 V
(d) In circuit 3, calculate the number of electrons entering R, every second, and the number of electrons entering R, every second.
2.13e+18
electrons/s (R)
2.13e+18
V electrons/s (R2)
(e) What is the power output of the battery in circuit 3?
3.20
x W
Transcribed Image Text:Two resistors In circuit 1 (see the figure), ohmic resistor R, dissipates 4 watts; in circuit 2, ohmic resistor R, dissipates 23 watts. The wires and batteries have negligible resistance. The circuits contain 10V batteries. Circuit 1 Circuit 2 10 V 10 V (a) What is the resistance of R, and of R2? R1= 25 R2= 4.34 (b) Resistor R, is made of a very thin metal wire that is 2 mm long, with a diameter of 0.1 mm. What is the electric field inside this metal resistor? 5000 V V/m (c) The same resistors are used to construct circuit 3, using the same 10V battery as before. 10 V Circuit 3 R Which of the following graphs best represents the potential as a function of position around circuit 3? J0V 10 V 10 V (d) In circuit 3, calculate the number of electrons entering R, every second, and the number of electrons entering R, every second. 2.13e+18 electrons/s (R) 2.13e+18 V electrons/s (R2) (e) What is the power output of the battery in circuit 3? 3.20 x W
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