For the circuit shown, the power dissipated in the load resistance R, is given as a function of R Q7. The electromotive force e (in V) is: A) 2.40 B) 1.10 C) 3.37 D) 1.96 E) 1.70 Q8. The power delivered to the resistance 30 when R, equals 40 (in mW) is: A) 18.0 B) 9.0 C) 13.5 D) 32.3 E) 27.0 www

For the circuit shown, the power dissipated in the load resistance R, is given as a function of R Q7. The electromotive force e (in V) is: A) 2.40 B) 1.10 C) 3.37 D) 1.96 E) 1.70 Q8. The power delivered to the resistance 30 when R, equals 40 (in mW) is: A) 18.0 B) 9.0 C) 13.5 D) 32.3 E) 27.0 www

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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Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

Q 8 please

Q5. In the circuit shown if the wire used was Las 100 cm long,
E=1.2 V, R-2 kn, R-3 kf, and the balance point C is for
LAC 45 cm, then the resistance R, (in KM) is:
A) 7.50
D) 8.32
R₂
A) ACR
Q6. If the current, in the circuit shown beside, passes from
point D to point C, then for the ratio Lac/Les
LcB R₂
LAC
D):
B) 1.25
E) 0.50
LcB
R₂
R₂
B)
C) 4.09
LAC-R₁
=
LcB R₂
E)
LCB R₂
Les
For the circuit shown, the power dissipated in the load
resistance R₂ is given as a function of R₂.
Q7. The electromotive force & (in V) is:
A) 2.40 B) 1.10 C) 3.37 D) 1.96
E) 1.70
Q8. The power delivered to the resistance 30 when R₂ equals
40 (in mW) is:
A) 18.0 B) 9.0
C) 13.5 D) 32.3 E) 27.0
In the circuit shown, if the length of the potentiometer
LAB 100 cm and the current in the galvanometer was zero for
LAC-33 cm and the resistance of the bridge's wire is 5
Q9. The emf of unknown battery &, (in Volts) is:
A) 0.9 B) 0.7 C) 0.1 D) 0.3 E) 0.4
Q10. The current (in A) passes through the cross section of
bridge's wire for equilibrium state (le = 0) equals:
A) 0.17 B) 0.40 C) 0.10 D) 0.24 E) 0.45
24
1
R
D
-#-
N
M
20 40 60 80 100
R
300
N
8₂

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