C-12-Q061mediummulti_combo_mcq
Consider the following statements about an ideal transformer:
Which of the following is correct?
Consider the following statements about an ideal transformer: Which of the following is correct?
- The voltage ratio is equal to the turns ratio of the two coils.
- The electrical power input equals the electrical power output.
- If voltage in the secondary increases, current in the secondary decreases proportionally.
- ai and ii
- bi and iii
- cii and iii
- di, ii and iii