Will a step-up transformer have more turns on the primary coil, or the secondary coil?
On a step-up transformer, the secondary coil will have more turns.
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Will a step-down transformer have more turns on the primary coil, or the secondary coil?
A step-down transformer will have more turns on the primary coil.
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What is the formula that links voltage in the primary coil (Vp), voltage in the secondary coil (Vs), turns in the primary coil (np) and turns in the secondary coil (ns)?
Usually written as:
Vp ÷ Vs = np ÷ ns
but can also be written as:
Vp ns = np Vs
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What is the formula that links voltage in the primary coil (Vp), voltage in the secondary coil (Vs), current in the primary coil (Ip) and current in the secondary coil (Is)?
VpIp = VsIs
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