In the figure a, calculate the potential difference between a and c by considering a path that contains R = 8.4Q, r = 5.0 0, 81 = 6.2 V. Take r2 and 82 to be 2.0 Q and 2.2 V respectively. Battery 1 Battery 2 Number Units

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In the figure a, calculate the potential difference between a and c by considering a path that contains R = 8.42, rn=5.00, 81= 6.2 V.
Take r2 and 82 to be 2.0 Q and 2.2 V respectively.
%3D
Battery 2
Battery I
12
Units
Number
Transcribed Image Text:In the figure a, calculate the potential difference between a and c by considering a path that contains R = 8.42, rn=5.00, 81= 6.2 V. Take r2 and 82 to be 2.0 Q and 2.2 V respectively. %3D Battery 2 Battery I 12 Units Number
The figure 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 Cof an RC circuit. There is a current through the lamp only when
the potential difference across it reaches the breakdown voltage V; then the capacitor discharges completely through the lamp and
the lamp flashes briefly. For a lamp with breakdown voltage V = 78.6 V, wired to a 95.2 V ideal battery and a O.193 mF capacitor, what
resistance Ris needed for 4 flashes per second?
R.
ww
L.
Number
i
Units
Transcribed Image Text:The figure 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 Cof an RC circuit. There is a current through the lamp only when the potential difference across it reaches the breakdown voltage V; then the capacitor discharges completely through the lamp and the lamp flashes briefly. For a lamp with breakdown voltage V = 78.6 V, wired to a 95.2 V ideal battery and a O.193 mF capacitor, what resistance Ris needed for 4 flashes per second? R. ww L. Number i Units
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