Three 13.0 resistors are connected inseries with a 21.0 V battery.Find the follo

Question

Three 13.0 resistors are connected inseries with a 21.0 V battery.Find the following. (a) the equivalent resistance of the circuit


(b) the current in each resistor
A

(c) Repeat for the case in which all three resistors are connectedin parallel across the battery. equivalent resistance current in each resistor A

(a) the equivalent resistance of the circuit


(b) the current in each resistor
A

(c) Repeat for the case in which all three resistors are connectedin parallel across the battery. equivalent resistance current in each resistor A

equivalent resistance current in each resistor A

Explanation / Answer

equivalent resistance=39ohm b) the current=21/39=0.5384A as these resistors are connected i n series the current passing inevery resistor is same that is 0.5384A part c when they are connected in parallel total resistance=4.333ohm total current =21/4.333=4.846A current in each resistor will be divided into three parts as allthe resistances are equal. so current through each resistor=4.846/3=1.6155A

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