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

ID: 1398806 • Letter: P

Question

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 resistor.

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

Part C

Determine the voltage across 960 resistor.

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

Part D

Determine the voltage across 680 resistor.

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

Here , 820 ohm and 680 ohm are in parallel ,

1/Rp = 1/680 + 1/820

Rp = 371.7 ohm

Now, Rp is in series with 960 ohm

Req = 371.7 + 960

Req = 1331.7 ohm

the equivalent resistance is 1331.7 ohm

using voltage divider ,

Voltage across 820 = Rp * 12 /(Rp + 960)

Voltage across 820 = 371.7 * 12/(960 + 371.7)

Voltage across 820 = 3.35 V

the Voltage across 820 is 3.35 V

Voltage across 960 Ohm = 12 - 3.35

Voltage across 960 Ohm = 8.65 V

Voltage across 960 Ohm is 8.65 V

voltage across 680 ohm = voltage across 820 ohm

voltage across 680 ohm = 3.35 V