Part A For the circuit shown in the figure, find the current through resistor R

Question

Part A

For the circuit shown in the figure, find the current through resistor R1=6.0?(left). (Figure 1)

Express your answer using two significant figures.

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Part B

For the circuit shown in the figure, find the potential difference across resistor R1=6.0?(left).

Express your answer using two significant figures.

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Part C

For the circuit shown in the figure, find the current through resistor R2=15?.

Express your answer using two significant figures.

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Part D

For the circuit shown in the figure, find the potential difference across resistor R2=15?.

Express your answer using two significant figures.

IR1 =   A   Part A For the circuit shown in the figure, find the current through resistor R1=6.0?(left). (Figure 1) Express your answer using two significant figures. IR1 = A SubmitMy AnswersGive Up Incorrect; Try Again; 5 attempts remaining Part B For the circuit shown in the figure, find the potential difference across resistor R1=6.0?(left). Express your answer using two significant figures. ?VR1 = V SubmitMy AnswersGive Up Part C For the circuit shown in the figure, find the current through resistor R2=15?. Express your answer using two significant figures. IR2 = A SubmitMy AnswersGive Up Part D For the circuit shown in the figure, find the potential difference across resistor R2=15?. Express your answer using two significant figures. ?VR2 = V

Explanation / Answer

equivalent resistance

6 and 4 ohms are in series

6+4=10 ohms

10 and 15 ohms are in parallel

10*15/(10+15) =6 ohms

6 and 6 ohms are in series

Req=6+6=12 ohms

Total current

I=V/Req=24/12 =2 A

So current through R1=6 ohms (Left) is

IR1=I=2 A

b)

Potential difference across R1 is

VR1=IR1=2*6=12 Volts

c)

Current through 15 ohms is

IR2=2*(10/10+15) =0.8 A

d)

Potential difference across R2 is

VR2=0.8*15=12 Volts

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