SP8f Transformers and energy Flashcards
1
Q
What is the law of conservation of energy?
A
energy cannot be created or destroyed, it can only be transferred from one form to another.
2
Q
Power = ?
A
current x potential difference
3
Q
What is power in primary coil equal to?
A
power in secondary coil (assuming a transformer is 100% efficient)
4
Q
What is the power equation for transformers?
A
VpIs = VsIp
