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- 1. Multiple Choice
Look at the diagram and answer the questions that follow. Your answer should have a UNIT ON IT.
What is the secondary voltage?
2400 V
2,600 V
2,000 V
24,000 V
- 2. Multiple Choice
What is the secondary current?
1 A
1.5 A
0.1 A
10 A
- 3. Multiple Choice
What is the transformer's power?
24000 W
2,400 W
2,200 W
2,000 W
- 4. Multiple Choice
Still referring to the previous questions...is it a step up or step down transformer?
step down
step up
cannot be determined
- 5. Multiple Choice
A transformer has a primary coil with 200 turns, and a secondary coil with 2000 turns. The
input voltage is 120 V, and it runs at 1800 W.
What is the secondary voltage?
12000 V
1,300 V
200 V
1,200 V
- 6. Multiple Choice
A transformer has a primary coil with 200 turns, and a secondary coil with 2000 turns. The
input voltage is 120 V, and it runs at 1800 W.
What is the transformer's power?
1,900 W
18000 W
1,800 W
cannot be determined
- 7. Multiple Choice
A transformer has a primary coil with 200 turns, and a secondary coil with 2000 turns. The
input voltage is 120 V, and it runs at 1800 W. Is this step up or step down transformer?
step up
step down
cannot be determined
- 8. Multiple Choice
A transformer has a primary coil with 100 turns and 35 A , and the secondary coil has 150 turns. The power in the secondary coil is 1400 W.
What is the secondary current flowing in the transformer?
26 A
23.6 A
24.3 A
23.3 A
- 9. Multiple Choice
A transformer has a primary coil with 100 turns and 35 A , and the secondary coil has 150 turns. The power in the secondary coil is 1400 W.
What is the voltage in the secondary coil?
60 V
70 V
68 V
70 V
- 10. Multiple Choice
A transformer has a primary coil with 100 turns and 35 A , and the secondary coil has 150 turns. The power in the secondary coil is 1400 W.
What is the voltage in the primary coil?
60 V
40 V
80 V
100 V
- 11. Multiple Choice
Based on the given on the previous question, what is the transformer's power?
1,200 W
1,400 watts
1450 watts
2000 watts
- 12. Multiple Choice
Is this a step up or step down transformer?
step up
step down
cannot be determined
- 13. Multiple Choice
A transformer has an output voltage of 40 V and an output current of 5 A. The input current is 0.25 A and the primary coil has 50 turns.
What is the primary voltage?
8000 V
80 volts
8 volts
800 volts
- 14. Multiple Choice
A transformer has an output voltage of 40 V and an output current of 5 A. The input current is 0.25 A and the primary coil has 50 turns.
How many number of turns are in the secondary coil?
25 turns
2.5 turns
250 turns
2,500 turns
- 15. Multiple Choice
A transformer has an output voltage of 40 V and an output current of 5 A. The input current is 0.25 A and the primary coil has 50 turns.
What is the transformer's power?
200 W
20 W
2 W
2000 W
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