6. An infinitely long wire has a charge density of 2.7 x 10 C/m. Find the electric field 5.00 m away from the wire. a. 0.97 N/C b. 9.71 N/C c. 4.86 N/C d. 1.94 N/C 7. A coil of wire has a resistance of 38 ohms at 25 C and 43.7 ohms at 55 C. Find the temperature coefficient of resistivity. a. 3.68 x 103 b. 4.18 x 103 c. 5.13 x 103 d. none of these.
6. An infinitely long wire has a charge density of 2.7 x 10 C/m. Find the electric field 5.00 m away from the wire. a. 0.97 N/C b. 9.71 N/C c. 4.86 N/C d. 1.94 N/C 7. A coil of wire has a resistance of 38 ohms at 25 C and 43.7 ohms at 55 C. Find the temperature coefficient of resistivity. a. 3.68 x 103 b. 4.18 x 103 c. 5.13 x 103 d. none of these.
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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6 and 7
Transcribed Image Text:15% O 4:01 PM
а. О.22 N
b. 63.8 N
c. 0.036 N
d. 6.38 x 10 N
5. A pipe with one end open and one end closed produces a fifth harmonic frequency of 1760 Hz at 20
degree C. Find the length of the pipe.
а. 14.7 cm
b. 29.3 cm
c. 48.7 cm
d. 24.4 cm
6. An infinitely long wire has a charge density of 2.7 x 10° C/m. Find the electric field 5.00 m away
from the wire.
a. 0.97 N/C
b. 9.71 N/C
c. 4.86 N/C
d. 1.94 N/C
7. A coil of wire has a resistance of 38 ohms at 25 C and 43.7 ohms at 55 C. Find the temperature
coefficient of resistivity.
а. 3.68 х 103
b. 4.18 x 10*
с. 5.13 х 103
d. none of these.
.8. A capacitor has a surface area of 0.24 square meters and a separation between plates is 3.0 cm.
Teflon is filled between the plates. The dielectric constant of teflon is 2.1. The voltage between the
plates is 50 V. Find the capacitance.
a. 7.1 x 10"F
b. 0.64 F
c. 1.49 x 1012 F
d. 1.49 x 1010 F
O Still refer to the previour con
tor ind th
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