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Worksheet: Analyzing Circuits

Q1:

Consider the circuit shown below. The terminal voltage of the battery is 18.00 V.

Find the equivalent resistance of the circuit.

Find the current through 𝑅 1 .

Find the current through 𝑅 2 .

Find the current through 𝑅 3 .

Find the potential drop across 𝑅 1 .

Find the potential drop across 𝑅 2 .

Find the potential drop across 𝑅 3 .

Find the power dissipated by 𝑅 1 .

Find the power dissipated by 𝑅 2 .

Find the power dissipated by 𝑅 3 .

Find the power supplied by the battery.

Q2:

Consider the circuit shown. The battery has an emf of 30.00 V and an internal resistance of 1.00 Ξ©.

Find the equivalent resistance of the circuit.

Find the current from the battery.

Find the current through 𝑅 1 .

Find the current through 𝑅 2 .

Find the current through 𝑅 3 .

Find the current through 𝑅 4 .

Find the current through 𝑅 5 .

Find the power dissipated by 𝑅 1 .

Find the power dissipated by 𝑅 2 .

Find the power dissipated by 𝑅 3 .

Find the power dissipated by 𝑅 4 .

Find the power dissipated by 𝑅 5 .

Q3:

In the circuit shown, the current 𝐼 1 is 2.35 A and the current 𝐼 2 is 1.61 A.

Calculate the current through the 13.00 Ξ© resistor.

Calculate the voltage across 13.00 Ξ© resistor.

Q4:

Three resistors 𝑅 = 2 . 0 0 1 Ξ©, 𝑅 = 1 3 . 0 0 2 Ξ©, and 𝑅 = 6 . 0 0 3 Ξ© are connected as shown in the diagram.

What is the current 𝐼 1 ?

What is the current 𝐼 2 ?

Q5:

Consider the circuit below.

Find the equivalent resistance of the circuit.

Find the current through 𝑅 1 .

Find the current through 𝑅 2 .

Find the current through 𝑅 3 .

Find the current through 𝑅 4 .

Find the potential drop across 𝑅 1 .

Find the potential drop across 𝑅 2 .

Find the potential drop across 𝑅 3 .

Find the potential drop across 𝑅 4 .

Find the power dissipated by 𝑅 1 .

Find the power dissipated by 𝑅 2 .

Find the power dissipated by 𝑅 3 .

Find the power dissipated by 𝑅 4 .

Q6:

Consider the circuit shown.

Find 𝐼 1 .

Find 𝐼 2 .

Find 𝐼 3 .

Find 𝐼 4 .

Find 𝐼 5 .

Find the power supplied by voltage source 𝑉 1 .

Find the power supplied by voltage source 𝑉 2 .

Find the power dissipated by 𝑅 1 .

Find the power dissipated by 𝑅 2 .

Find the power dissipated by 𝑅 3 .

Find the power dissipated by 𝑅 4 .