21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
6th Edition
ISBN: 9780393874921
Author: PALEN
Publisher: Norton, W. W. & Company, Inc.
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Chapter 14, Problem 35QP
(a)
To determine
The average density of sun.
(b)
To determine
The comparison between density of sun,earth and water.
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3. By using the fact that around any closed loop the sum of the EMFS = the sum of the PDs. Write
equations for the two loops shown in the cct below.
40
ΔΩ
I₂
4V
(loop1
20 (loop2) 2v
I+12
Use these equations to show that the current flowing through the 20 resistor is 0.75A
5. A potential divider circuit is made by stretching a 1 m long wire with a resistance of 0.1 per cm
from A to B as shown.
8V
A
100cm
B
sliding contact
5Ω
A varying PD is achieved across the 5 Q resistor by moving the slider along the resistance wire.
Calculate the distance from A when the PD across the 5 Q resistor is 6 V.
4. A voltmeter with resistance 10 kQ is used to measure the pd across the 1 kQ resistor in the circuit
below.
6V
5ΚΩ
1ΚΩ
V
Calculate the percentage difference between the value with and without the voltmeter.
Chapter 14 Solutions
21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
Ch. 14.1 - Prob. 14.1ACYUCh. 14.1 - Prob. 14.1BCYUCh. 14.2 - Prob. 14.2CYUCh. 14.3 - Prob. 14.3CYUCh. 14.4 - Prob. 14.4CYUCh. 14 - Prob. 1QPCh. 14 - Prob. 2QPCh. 14 - Prob. 3QPCh. 14 - Prob. 4QPCh. 14 - Prob. 5QP
Ch. 14 - Prob. 6QPCh. 14 - Prob. 7QPCh. 14 - Prob. 8QPCh. 14 - Prob. 9QPCh. 14 - Prob. 10QPCh. 14 - Prob. 11QPCh. 14 - Prob. 12QPCh. 14 - Prob. 13QPCh. 14 - Prob. 14QPCh. 14 - Prob. 15QPCh. 14 - Prob. 16QPCh. 14 - Prob. 17QPCh. 14 - Prob. 18QPCh. 14 - Prob. 19QPCh. 14 - Prob. 20QPCh. 14 - Prob. 21QPCh. 14 - Prob. 22QPCh. 14 - Prob. 23QPCh. 14 - Prob. 24QPCh. 14 - Prob. 25QPCh. 14 - Prob. 26QPCh. 14 - Prob. 27QPCh. 14 - Prob. 28QPCh. 14 - Prob. 29QPCh. 14 - Prob. 30QPCh. 14 - Prob. 31QPCh. 14 - Prob. 34QPCh. 14 - Prob. 35QPCh. 14 - Prob. 36QPCh. 14 - Prob. 37QPCh. 14 - Prob. 38QPCh. 14 - Prob. 39QPCh. 14 - Prob. 40QPCh. 14 - Prob. 41QPCh. 14 - Prob. 42QPCh. 14 - Prob. 43QPCh. 14 - Prob. 44QPCh. 14 - Prob. 45QP
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