Advertisements
Advertisements
Question
Name the transformer used in the power generating station and state the function of the transformer.
Solution
Step-up transformer. In power generating stations the alternating current generated is first stepped up from 11 kV to 132 kV.
APPEARS IN
RELATED QUESTIONS
Draw a labelled diagram to show the various components of a step-up transformer.
- Complete the following diagram of a transformer and name the parts labelled A and B.
- Name the part you have drawn to complete the diagram in part (a).
- What is the material of this part named above?
- Is this transformer a step up or step down? Give reason.
The following diagram shows the core of a transformer and its input and output connections.
- State the material used for core and describe its structure.
- Complete the diagram of the transformer and connections by labelling all parts joined by you.
- Name the transformer: step-up or step down?
Give two points of difference between a step-up transformer and step-down transformer.
Name the coil of which the wire is thicker in a step up transformer. Give reason to your answer.
Define step up and step down transformer.
Below is the diagram of a transformer:
- Identify the type of transformer.
- In this type of transformer which of the wire is thicker, the primary or the secondary? Give a reason.
A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.
Name the device used to transform 12 V a.c. to 200 V a.c.
Name the tranformer used in the power sub-station, state the function of each transfomer.
