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 .

**Q7: **

Consider the multipath circuit shown in the diagram.

Find the voltage .

Find the current .

Find the current .

- A 8.1 A
- B 0.73 A
- C 3.3 A
- D 1.2 A
- E 4.9 A