A four-resistor circuit is shown in the figure. The values of the resistors are as follows: R1=3 Ohms, R2=R3=R4=4 Ohms. What is the equivalent resistance Req for this circuit?
Group of answer choices
0.8 ohms
1.5 ohms
3.14 ohms
0.67 ohms
2.0 ohms
When 2 resistances r1 and r2 are in series,their equivalent=r1+r2.
Similarly,when 2 resistances r1 and r2 are in parallel,their equivalent=r1*r2/(r1+r2)
Here,R2 and R3 are in parallel. So, their equivalent=R2*R3/(R2+R3)=4*4/(4+4)=2 ohms.
This whole combination is in series with R4. So,their equivalent=2+R4=2+4=6 ohms.
Now, this whole combination is in parallel with R1. So,their equivalent=6*R1/(6+R1)=6*3/(6+3)= 2 ohms(fifth option)
A four-resistor circuit is shown in the figure. The values of the resistors are as follows:...
A four-resistor circuit is shown in the figure. The values of the resistors are as follows: R1=3 Ohms, R2=R3=R4=4 Ohms. What is the equivalent resistance Req for this circuit? possible answers: 0.8 ohms 1.5 ohms 3.14 ohms 0.67 ohms 2.0 ohms R4 R1 R2 R3
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A four-resistor circuit is shown in the figure. The values of the resistors are as follows: Rq=3 Ohms, R2=R3=R4=4 Ohms. What is the equivalent resistance Req for this circuit? RA R₂ R₂ R₃ O 0.8 ohms 1.5 ohms O 3.14 ohms O 0.67 ohms O 2.0 ohms
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A four-resistor circuit is shown in the figure. The values of the resistors are as follows: R1=8 Ohms, R2=R3=R4=4 Ohms. What is the equivalent resistance Req for this circuit? RA R1 R2 R3 0.67 ohms 1.5 ohms 2.0 ohms 2.5 ohms 4.0 ohms