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Part A Determine the equivalent resistance of the circuit shown in the figure

Physics Jan 14, 2021

Part A Determine the equivalent resistance of the circuit shown in the figure. (Figure 1)

Express your answer to three significant figures and include the appropriate units.

Part B

Determine the voltage across 820 Ω resistor.

Express your answer to two significant figures and include the appropriate units.

Part C

Determine the voltage across 960 Ω resistor.

Express your answer to two significant figures and include the appropriate units.

Part D

Determine the voltage across 680 Ω resistor.

Express your answer to two significant figures and include the appropriate units.

Expert Solution

820 ohm // 680 ohm , 1/Rp = 1/680 + 1/820

Rp = 371.7 ohm

Rp s eries960 ohm,

so

Req = 371.7 + 960 =1331.7 ohm (ANSWER)
---------------------------------

B) Now using voltage divider ,

V820 = Rp * 12 /(Rp + 960)

V820 = 371.7 * 12/(960 + 371.7)

V820 = 3.35 V is the Volatge acroiss 820 Volts

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C)

Voltage across 960 Ohm = 12 - 3.35 = 8.65 V
--------------------------------------------------

D)
voltage across 680 ohm = voltage across 820 ohm = 3.35 Volts

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