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if a parallel circuit has three loads of equal resistance and a voltage of 120 v is applied to the circuit, what will the voltage drop be across each load?

Sagot :

Since load are connected in parallel so the voltage drop across each load will be 120 v.

Voltage and current are dependent on each other. In case of parallel connection, current gets divided in the circuit.

If all 3 loads are of equal resistance then R1=R2=R3=R.

so the equivalent resistance in parallel is = R/3

now the current supplied by the source is I = V/Req

I = 120/(R/3)

I = 360/R

Now since the load is equal so current also gets distributed equal.

So, the voltage drop across resistor would be Vr = (I/3)*R

putting the values of I, we get

Vr = 360R/3R

Vr = 120

Hence the voltage across the resistors is 120 V

To learn more about voltage, visit here,

https://brainly.com/question/13521443

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