Unit 4 Test

1. Calculate the total resistance and current in a series circuit with resistors 4 Ω, 6 Ω, and 10 Ω connected to a 12 V battery.
2. Two resistors 8 Ω and 12 Ω are connected in parallel to a 24 V battery. Find equivalent resistance and current through each resistor.
3. In a series-parallel circuit, resistors 3 Ω and 6 Ω are in series and this combination is in parallel with 9 Ω. Calculate total resistance and current for a 18 V battery.
4. A two-loop circuit has R1 = 5 Ω, R2 = 10 Ω, R3 = 5 Ω, battery voltages 12 V and 6 V. Solve for all branch currents using KCL and KVL.
5. Explain qualitatively why current distribution differs in series versus parallel circuits.
6. Calculate the power dissipated by each resistor in a given series-parallel circuit.
7. Design a stepwise approach to solve a complex two-loop circuit.
8. Explain the significance of verifying results with KCL and KVL after solving circuit problems.
9. A challenge problem: Four-loop circuit with multiple batteries and resistors. Determine all currents and voltage drops.
10. Discuss conceptual differences between analyzing simple series, parallel, and multi-loop circuits.