AT&T TKT II
2026/2027 | Technical Knowledge Test II Practice
Questions, Answers & Detailed Explanations | Complete
Study Guide
RESOURCE FEATURES
• AT&T TKT II 2026/2027 study guide
• TKT II practice questions
• Answers with detailed explanations
, AT&T TKT II 2026/2027 | Technical Knowledge
Test II Practice Questions, Answers & Detailed
Explanations | Complete Study Guide
1. The unit for the rate of electron flow / electrical current, abbreviated
“amp,” is the:
A) Volt
B) Ampere
C) Ohm
D) Watt
Answer: B — Current is measured in amperes.
2. When the frequency of the applied voltage increases, capacitive
reactance ______.
A) Increases
B) Decreases
C) Remains the same
D) Becomes zero
1
Answer: B — 𝑋𝐶 = , so it decreases as frequency increases.
2𝜋𝑓𝐶
3. Convert 6500 ohms to kilohms.
A) 6.5 kΩ
B) 65 kΩ
, C) 0.65 kΩ
D) 650 kΩ
Answer: A — 6500 ÷ 1000 = 6.5kΩ.
4. Convert 33 milliamps to amps.
A) 0.033 A
B) 0.33 A
C) 3.3 A
D) 330 A
Answer: A — 33 mA = 0.033A.
5. In an AC current, if the power factor is 0.5, then ______ power is 1/2
the ______ power.
A) Apparent / true
B) True / apparent
C) Reactive / true
D) True / reactive
Answer: B — Power factor = true power / apparent power.
6. In an RCL circuit, the phase difference between voltage and current is
______.
A) 0°
B) 45°
C) Less than 90°
2026/2027 | Technical Knowledge Test II Practice
Questions, Answers & Detailed Explanations | Complete
Study Guide
RESOURCE FEATURES
• AT&T TKT II 2026/2027 study guide
• TKT II practice questions
• Answers with detailed explanations
, AT&T TKT II 2026/2027 | Technical Knowledge
Test II Practice Questions, Answers & Detailed
Explanations | Complete Study Guide
1. The unit for the rate of electron flow / electrical current, abbreviated
“amp,” is the:
A) Volt
B) Ampere
C) Ohm
D) Watt
Answer: B — Current is measured in amperes.
2. When the frequency of the applied voltage increases, capacitive
reactance ______.
A) Increases
B) Decreases
C) Remains the same
D) Becomes zero
1
Answer: B — 𝑋𝐶 = , so it decreases as frequency increases.
2𝜋𝑓𝐶
3. Convert 6500 ohms to kilohms.
A) 6.5 kΩ
B) 65 kΩ
, C) 0.65 kΩ
D) 650 kΩ
Answer: A — 6500 ÷ 1000 = 6.5kΩ.
4. Convert 33 milliamps to amps.
A) 0.033 A
B) 0.33 A
C) 3.3 A
D) 330 A
Answer: A — 33 mA = 0.033A.
5. In an AC current, if the power factor is 0.5, then ______ power is 1/2
the ______ power.
A) Apparent / true
B) True / apparent
C) Reactive / true
D) True / reactive
Answer: B — Power factor = true power / apparent power.
6. In an RCL circuit, the phase difference between voltage and current is
______.
A) 0°
B) 45°
C) Less than 90°
