# 2.E: Self-Test 2

• • Contributed by Camosun College

Self-Test 2

1. What takes the place of a ground return wire in a single wire system?
1. Fuse
2. Case ground
3. Circuit breaker
4. Chassis
2. How many paths does a series circuit have for current flow?
1. 1
2. 2
3. 3
4. 4
3. What is a circuit called that has more than one path for current flow?
1. Series circuit
2. Complex circuit
3. Compound circuit
4. Parallel circuit
4. What must the total voltage drop in a circuit be equal to?
1. The source voltage
2. The first voltage drop
3. Half the source voltage
4. Twice the source voltage
5. A 12 V circuit with a 4 ohm resistor will have a current of 6 A.
1. True
2. False
6. A 120 V circuit with a current of 10 A will have a load with what resistance?
1. 12 Ω
2. 24 Ω
3. 6 Ω
4. 10 Ω
1. If one load fails in a parallel circuit, all other loads will fail.
1. True
2. False
2. What is the total resistance in a series circuit with four resistors rated at 2 Ω each?
1. 2 Ω
2. 4 Ω
3. 6 Ω
4. 8 Ω
3. A 120 V parallel circuit has three resistors: 20 Ω, 12 Ω, and 24 Ω. What is the current?
1. 6 A
2. 18 A
3. 21 A
4. 24 A
4. What is the total resistance for a 120 V circuit with three resistors of 20 Ω, 12 Ω, and 24 Ω in parallel?
1. 6 Ω
2. 8 Ω
3. 12 Ω
4. 24 Ω