The physical world

The physical world

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Picture 1 shows a Christmas tree, decorated with coloured lights that can flash on and off. ... so the circuit resistance is now 6 ohms: V R= a€” = / 12 volts 2 amps = 6 ohms Picture 2 How a flashing lamp works What would be the circuit resistanceanbsp;...

Title:The physical world
Author:Ken Dobson
Publisher:Thomson South-Western - 1991


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