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29-08-2018
Physics

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Four 21.2 ω resistors are connected in parallel across a 35.8 v ideal battery. what is the current through the battery?

Respuesta :

29-08-2018

The resistors behavelike a single resistor of (21.2/4) = 5.3 ohms.

The total current through the parallel bunch of resistors is E/R = 35.8/5.3 = 6.75 Amperes.

That's the total current SUPPLIED by the battery. Current doesn't flow 'through' a battery.

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