PRACTICE QUESTIONS & ANSWERS –
COMPLETE 100 QUESTION MOCK TEST
PRACTICE EXAM MATERIAL A+ VERIFIED
LATEST VERSION
SECTION A: ELECTRICAL FUNDAMENTALS
1. Ohm’s Law is:
A. V = I/R
B. V = I × R
C. I = V × R
D. P = V × R
Answer: B
2. Resistance is measured in:
A. Volts
B. Watts
C. Ohms
D. Amps
Answer: C
3. Current is measured in:
A. Volts
B. Amps
C. Ohms
D. Joules
Answer: B
4. Power formula is:
A. P = V × I
B. P = V/I
C. P = I/R
D. P = R × I
Answer: A
5. AC stands for:
A. Active Current
B. Alternating Current
C. Applied Current
,D. Automatic Charge
Answer: B
6. DC stands for:
A. Direct Current
B. Dynamic Charge
C. Dual Current
D. Driven Charge
Answer: A
7. Frequency is measured in:
A. Ohms
B. Hertz
C. Watts
D. Volts
Answer: B
8. Standard frequency in many countries is:
A. 50/60 Hz
B. 100 Hz
C. 120 Hz
D. 30 Hz
Answer: A
9. A short circuit is:
A. High resistance path
B. Low resistance path
C. Open circuit
D. Controlled path
Answer: B
10. Open circuit means:
A. Flow continues
B. No current flow
C. High current
D. High voltage
Answer: B
SECTION B: BASIC ELECTRICAL CONCEPTS
11. Conductors have:
A. High resistance
B. Low resistance
C. No electrons
D. No voltage
Answer: B
, 12. Insulators:
A. Conduct electricity
B. Resist current flow
C. Store power
D. Increase voltage
Answer: B
13. Voltage is also called:
A. Pressure
B. Flow
C. Resistance
D. Load
Answer: A
14. Current is:
A. Energy storage
B. Flow of electrons
C. Resistance
D. Heat
Answer: B
15. Power is measured in:
A. Volts
B. Watts
C. Ohms
D. Amps
Answer: B
16. Series circuit current is:
A. Divided
B. Same throughout
C. Zero
D. Random
Answer: B
17. Parallel circuit voltage is:
A. Divided
B. Same across branches
C. Zero
D. Increased
Answer: B
18. Grounding protects against:
A. Overvoltage only
B. Electric shock
C. Noise only