Physics · AC generator and transformer
Which of the following will not increase voltage in a simple generator?
Which of the following will not increase voltage in a simple generator?
- A. Increasing the number of turns in armature coil
- B. Winding the coil on a soft armature
- C. Increasing the size of the gap in which the armature turns
- D. Increasing the speed of rotation.
Step-by-step solution
Increasing the size of the gap increases magnetic reluctance, reducing magnetic flux, which decreases induced voltage. Other options increase voltage: more turns, soft armature (increases flux), higher speed (increases rate of change of flux).
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