Item 3 Part A Determine the equivalent resistance of the circuit shown in the fi

ID: 1453540 • Letter: I

Question

Item 3

Part A

Determine the equivalent resistance of the circuit shown in the figure.

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

R =

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Part B

Determine the voltage across 820 resistor.

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

V820 =

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Part C

Determine the voltage across 960 resistor.

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

V960 =

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Part D

Determine the voltage across 680 resistor.

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

V680 =

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a) Requ = (820 ohms and 680 ohm resistors are in parallel) + 960

820 ohms and 680 ohm resistors are in parallel = 1/820 + 1/680

= 371.73 ohm

Requ = 371.73 + 960 = 1331.73 ohms

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Voltage across the resistors I = V / Requ = 12 / 1331.73 = 9.01 * 10-3 A

voltage across 820 ohm resistor. = 9.01 * 10-3 A * 371.73

voltage across 820 ohm resistor = 3.35 volts

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voltage across 960 ohm resistor = 9.01 * 10-3 * 960 ohms

= 8.65 volts

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voltage across 680 ohm resistor = 3.35 volts

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