 |  Instrument Transformers 20 Flashcards |  Start |
 | Which type of instrument transformer is used to step down current for measurement purposes? |  Card: 1 / 20 |
| Current Transformer (C.T.) | Card: 2 / 20 |
| Fill in the blank: Instrument transformers provide electrical ______ between high voltage power circuits and measuring instruments. | Card: 3 / 20 |
| Isolation | Card: 4 / 20 |
| True or False: Potential transformers operate in a short-circuited condition. | Card: 5 / 20 |
| False. Potential transformers operate almost in an open-circuited condition. | Card: 6 / 20 |
| What is the standard measurement rating for the small instruments used with instrument transformers? | Card: 7 / 20 |
| 5 A and 110 – 120 V | Card: 8 / 20 |
| Riddle: I step down the power system voltage, allowing the safe measurement of electrical quantities. What am I? | Card: 9 / 20 |
| Potential Transformer (P.T.) | Card: 10 / 20 |
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| Which instrument transformer has a primary connected in series with the power circuit? | Card: 11 / 20 |
| Current Transformer (C.T.) | Card: 12 / 20 |
| Fill in the blank: The damaged measuring instruments can be replaced easily with ______ measuring instruments due to standardization. | Card: 13 / 20 |
| Healthy standardized | Card: 14 / 20 |
| True or False: Current transformers are also referred to as parallel transformers. | Card: 15 / 20 |
| False. Current transformers are called series transformers. | Card: 16 / 20 |
| What is the primary function of instrument transformers in an AC system? | Card: 17 / 20 |
| To step down the AC system voltage and current for measurement. | Card: 18 / 20 |
| Riddle: I have many turns on my primary and am used to measure voltage safely. Who am I? | Card: 19 / 20 |
| Potential Transformer (P.T.) | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
