# Worksheet: Analyzing Circuits

In this worksheet, we will practice calculating 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 .

Find the current through .

Find the current through .

Find the potential drop across .

Find the potential drop across .

Find the potential drop across .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Find the power supplied by the battery.

Q2:

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

Calculate the current through the 13.00 Ω resistor.

Calculate the voltage across 13.00 Ω resistor.

Q3:

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

Find the equivalent resistance of the circuit.

Find the current from the battery.

Find the current through .

Find the current through .

Find the current through .

Find the current through .

Find the current through .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Q4:

Consider the circuit below.

Find the equivalent resistance of the circuit.

Find the current through .

Find the current through .

Find the current through .

Find the current through .

Find the potential drop across .

Find the potential drop across .

Find the potential drop across .

Find the potential drop across .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Q5:

Consider the circuit shown.

Find .

Find .

Find .

Find .

Find .

Find the power supplied by voltage source .

Find the power supplied by voltage source .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Find the power dissipated by .

Q6:

Three resistors Ω, Ω, and Ω are connected as shown in the diagram.

What is the current ?

What is the current ?

Q7:

Consider the multipath circuit shown in the diagram.

Find the voltage .

Find the current .

Find the current .

• A1.2 A
• B0.73 A
• C4.9 A
• D8.1 A
• E3.3 A

Q8:

The junction rule can be applied to junction in the circuit shown. In modeling the currents in the circuit, state values to a precision of two significant figures.

Find .

Find .

Find .