IGCSE Physics - Magnetism and Electromagnetism Formulae

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Relationship between input and output voltages
= (Input Voltage / Output Voltage = Primary turns / Secondary turns)
1 of 5
Relationship between input and output power
= (Input Power = Output Power) or (Voltage 1 x Current 1 = Voltage 2 x Current 2)
2 of 5
Current Units
Ampere or Amps or A
3 of 5
Voltage Units
Volts or V
4 of 5
Power Units
Watts or Joules per second
5 of 5

Other cards in this set

Card 2

Front

Relationship between input and output power

Back

= (Input Power = Output Power) or (Voltage 1 x Current 1 = Voltage 2 x Current 2)

Card 3

Front

Current Units

Back

Preview of the front of card 3

Card 4

Front

Voltage Units

Back

Preview of the front of card 4

Card 5

Front

Power Units

Back

Preview of the front of card 5

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