Electrical degrees and mechanical degrees in dc motors are related by the equation:
Deg(elec) = (Number of Poles/2) *(Deg(mech))
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Transformer Motors CT,PT Genrators these all are electrical devices
Electronic devices works on low level dc voltage like 48volts and less than that. We cannot give direct line supply to electronic devices, for this transformer is used to convert ac voltage to required dc level... Whereas in electric devices we can use direct line supply (110V/220V) ac. These devices can also be operates on dc volts but greater than 48volts
A generator converts mechanical energy into electrical energy, while a motor does the opposite - it converts electrical energy into mechanical energy. Both devices work because of electromagnetic induction, which is when a voltage is induced by a changing magnetic field.
It is a juncture of 2 or more electrical devices.
Electrical symbols are used in electrical wiring diagram, signage on the electrical devices and motors