A capacitor in an electronic circuit is designed to slowly discharge through an indicator lamp. It is
Question:
A capacitor in an electronic circuit is designed to slowly discharge through an indicator lamp.
It is decided that the time taken for the capacitor to discharge needs to be increased. Four changes are suggested:
1. Connect a second capacitor in parallel with the original capacitor.
2. Connect a second capacitor in series with the original capacitor.
3. Connect a resistor in parallel with the lamp.
4. Connect a resistor in series with the lamp.
Which suggestions would lead to the discharge time being increased?
A. 1 and 3 only
B. 1 and 4 only
C. 2 and 3 only
D. 2 and 4 only
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The correct answer is D 2 and 4 only Connecting a second capacitor in ...View the full answer
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Related Book For 
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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