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Is a 12 volt transformer AC or DC?
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Is a transformer AC or DC machine?
Answer : A transformer is an **AC (Alternating Current) machine**. This is because transformers work on the principle of **electromagnetic induction**, which only happens with alternating current. ... coil after the initial moment of current flow. Therefore, transformers only function properly with AC....

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What is the difference between an AC and DC transformer?

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Why transformer works on AC rather than DC?
Answer : A transformer works on **AC (Alternating Current)** rather than DC (Direct Current) because of the way it relies on changing magnetic fields to transfer energy between its coils. Here's how it works: 1 ... *. With **DC**, the magnetic field doesn't change, and the transformer can't transfer power....

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What is the difference between AC transformer and DC transformer?

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

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How can eddy current be minimised in transformer class 12?

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What is hysteresis loss in transformer class 12 physics?
Answer : In a transformer, **hysteresis loss** refers to the energy lost due to the continuous magnetization and demagnetization of the transformer's core material. When alternating current (AC) passes ... due to the resistance of the core material to quickly align with the alternating magnetic field....

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