COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 18, Problem 34QAP
To determine
The electrons that may pass through a given point in the accelerator per hour.
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*45 What multiple of the time constant 7 gives the time
taken by an initially uncharged capacitor in an RC series cir-
cuit to be charged to 99.0% of its final charge? sSM
*62 Figure 27-64 shows the circuit of
a flashing lamp, like those attached to
barrels at highway construction sites.
The fluorescent lamp L (of negligible
capacitance) is connected in parallel
across the capacitor C of an RC circuit.
There is a current through the lamp
only when the potential difference
across it reaches the breakdown volt-
Figure 27-64
Problem 62.
age V1; then the capacitor discharges completely through the lamp
and the lamp flashes briefly. For a lamp with breakdown voltage
VL = 72.0 V, wired to a 95.0 V ideal battery and a 0.150 µF capacitor,
what resistance Ris needed for two flashes per second?
What is true about the charged particles moving through an electric circuit?
O They can move through an open loop.
O They move from lower to higher potential energy.
O They move from higher to lower potential energy.
OThey do not need energy from an external source to move.
Chapter 18 Solutions
COLLEGE PHYSICS
Ch. 18 - Prob. 1QAPCh. 18 - Prob. 2QAPCh. 18 - Prob. 3QAPCh. 18 - Prob. 4QAPCh. 18 - Prob. 5QAPCh. 18 - Prob. 6QAPCh. 18 - Prob. 7QAPCh. 18 - Prob. 8QAPCh. 18 - Prob. 9QAPCh. 18 - Prob. 10QAP
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