6.
What is the peak value of a household appliance that uses a 230 V ac source?
A. 163 V
B. 230 V
C. 325 V
D. 480 V
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
View Answer Discuss in Forum Workspace Report
7.
What is the waveform period difference between the 60 Hz electricity used in this country and the 50 Hz used in Europe?
A. 3 ms
B. 16 ms
C. 4 ms
D. 20 ms
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
View Answer Discuss in Forum Workspace Report
8.
Test equipment selection enables the technician to both generate signals and:
A. change circuit conditions
B. inject signals
C. sense circuit conditions
D. change signal frequencies
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
View Answer Discuss in Forum Workspace Report
9.
Why is ac current transfer more effective than dc current transfer over long distances?
A. due to the height of power lines
B. due to the use of ac generators
C. due to step-up and step-down transformers reducing I2R losses
D. due to very high voltages
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
View Answer Discuss in Forum Workspace Report
10.
A sine wave reaches maximum positive voltage at:
A. 90°
B. 0°
C. –90°
D. 360°
Answer: Option A
Explanation:
No answer description available for this question