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What is perimeter of bobbin?
Perimeter of bobbin = 1.75 x 4 = 7 inch.
What is another word for bobbin?
What is another word for bobbin?
| drum | roll |
|---|---|
| braid | coil |
| cord | cylinder |
| pin | quill |
| ratchet | reel |
Why is it called a bobbin?
Bobbin comes from the French bobine, “small instrument used in sewing,” which shares a Latin root with babble, for the sound it makes while unspooling.
What are the 2 types of transformers?
There are two types of potential transformers; the conventional wound type (or electromagnetic type) and the capacitor voltage (potential) transformer. For voltages exceeding 100 kV (phase) the conventional type of potential transformer becomes extremely expensive owing to the insulation requirements.