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In this lesson, we will learn how to calculate the current and potential drop-offs through circuits containing multiple components and branches.

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 π 1 .

Find the current through π 2 .

Find the current through π 3 .

Find the potential drop across π 1 .

Find the potential drop across π 2 .

Find the potential drop across π 3 .

Find the power dissipated by π 1 .

Find the power dissipated by π 2 .

Find the power dissipated by π 3 .

Find the power supplied by the battery.

Q2:

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

Calculate the current through the 13.00 Ξ© resistor.

Calculate the voltage across 13.00 Ξ© resistor.

Q3:

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

Find the current from the battery.

Find the current through π 4 .

Find the current through π 5 .

Find the power dissipated by π 4 .

Find the power dissipated by π 5 .

Q4:

Consider the circuit below.

Find the potential drop across π 4 .

Q5:

Consider the circuit shown.

Find πΌ 1 .

Find πΌ 2 .

Find πΌ 3 .

Find πΌ 4 .

Find πΌ 5 .

Find the power supplied by voltage source π 1 .

Find the power supplied by voltage source π 2 .

Q6:

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

What is the current πΌ 1 ?

What is the current πΌ 2 ?

Q7:

Consider the multipath circuit shown in the diagram.

Find the voltage π ο§ .

Find the current πΌ ο¨ .

Find the current πΌ ο© .

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