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if you imagine some of the current going through the left resistor, then after that it would take the bottom, resistor free branch to the end and the pd across the left resistor is the same as the pd across the circuit because of the bottom, resistor free path.
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Alternatively some of the current will to directly through the resistor free top path and then split when it rejoins between the middle and right resistors. Going left through the middle resistor, the current would then take the bottom path to the end and the pd aross the middle resistor is the same as the circuit. Alternatively going right through the right resistor, the pd across the right resistor is the same as the circuit.
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if you imagine some of the current going through the left resistor, then after that it would take the bottom, resistor free branch to the end and the pd across the left resistor is the same as the pd across the circuit because of the bottom, resistor free path.
•
Alternatively some of the current will to directly through the resistor free top path and then split when it rejoins between the middle and right resistors. Going left through the middle resistor, the current would then take the bottom path to the end and the pd aross the middle resistor is the same as the circuit. Alternatively going right through the right resistor, the pd across the right resistor is the same as the circuit.
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