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Flow of electrons is always from negative to positive. Conventional current flows from positive to negative

Bridge rectifier converts AC to DC

The process of converting the AC current into DC current is called rectification.

Centre-tapped transformer is used in full wave rectifier

When an additional wire is connected across the exact middle of the secondary winding of a transformer, it is known as a center tapped transformer.

In center-tapped transformer the voltages (V1 and V2 ) produced by the upper part and lower part of the secondary winding are 180 degrees out of phase with each other.

A and B are symmetric only if AB = BA

LED is used as a bulb in the homes and industries. The light emitting diodes are used in the motorcycles and cars

The intensity of the LED differs with the help of the microcontroller.

The cost of LED bulbs when compared to CFL bulbs are high.

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