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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Alternating Current and Voltage knowledge and support exam preparation. Choose a topic below to get started.
1. |
Dividing 24 × 10 11 by 3 × 10 4 equals |
A. | 8 × 10 4 |
B. | 8 × 10 7 |
C. | 8 × 10 11 |
D. | 8 × 10 15 |
Answer» C. 8 × 10 11 | |
2. |
Adding 27.5 × 10 3 to 8.9 × 10 4 equals |
A. | 36.4 × 10 7 |
B. | 116.5 × 10 4 |
C. | 28.39 × 10 3 |
D. | 1.165 × 10 5 |
Answer» E. | |
3. |
Which of the following metric prefixes could replace 10 –9 ? |
A. | Nano |
B. | Mega |
C. | Kilo |
D. | Micro |
Answer» B. Mega | |
4. |
Current is measured in |
A. | watts |
B. | volts |
C. | henries |
D. | amperes |
Answer» E. | |
5. |
The quantity 43 × 10 -3 is the same as |
A. | 0.043 |
B. | 0.430 |
C. | 430 |
D. | 43,000 |
Answer» B. 0.430 | |
6. |
The number of megohms in 0.03 kilohms is |
A. | 0.00002 M |
B. | 0.0002 M |
C. | 3 × 10 –5 M |
D. | either 0.00002 M or 0.0002 M |
Answer» D. either 0.00002 M or 0.0002 M | |
7. |
The number 0.0003 multiplied by 10 -3 is |
A. | 0.0000003 |
B. | 0.0003 |
C. | 3 |
D. | 3,000 |
Answer» B. 0.0003 | |
8. |
The number 4.38 × 10 –3 expressed as a number having a power of 10 –6 is |
A. | 4,380 × 10 –6 |
B. | 438 × 10 –6 |
C. | 43,800 × 10 –6 |
D. | 438,000 × 10 –6 |
Answer» B. 438 × 10 –6 | |
9. |
What is (79 × 10 6 )/(12 × 10 –8 )? |
A. | 6,580 × 10 12 |
B. | 658 × 10 10 |
C. | 6.58 × 10 14 |
D. | 0.658 × 10 16 |
Answer» D. 0.658 × 10 16 | |
10. |
Seven thousand volts can be expressed as |
A. | 7 kV |
B. | 7 MV |
C. | 7 mV |
D. | either 7 kV or 7 mV |
Answer» B. 7 MV | |
11. |
The quantity 3.3 × 10 3 is the same as |
A. | 330 |
B. | 3,300 |
C. | 33,000 |
D. | 0.0033 |
Answer» C. 33,000 | |
12. |
When these numbers are added, (87 × 10 5 ) + (2.5 × 10 6 ), the result is |
A. | 1.12 × 10 4 |
B. | 11.2 × 10 5 |
C. | 112 × 10 5 |
D. | 1,120 × 10 6 |
Answer» D. 1,120 × 10 6 | |
13. |
The number 3.2 × 10 –5 A expressed using a metric prefix is |
A. | 32 µA |
B. | 3.3 µA |
C. | 320 mA |
D. | 3,200 mA |
Answer» B. 3.3 µA | |
14. |
The number 4.4 × 10 6 ohms expressed using a metric prefix is |
A. | 4 k |
B. | 4.4 k |
C. | 4 M |
D. | 4.4 M |
Answer» E. | |
15. |
When these numbers are multiplied, (6 × 10 3 ) (5 × 10 5 ), the result is |
A. | 3 × 10 8 |
B. | 30 × 10 8 |
C. | 300 × 10 9 |
D. | 3,000 × 10 7 |
Answer» C. 300 × 10 9 | |