State whether the following statement is true or false:

To reduce eddy currents is the core of a transformer laminated.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept: A passive device called an electrical transformer is used to transfer electrical energy between circuits or between several circuits. When the voltage input and output are equal, transformers can be used for separation by employing various coils that are not electrically connected to one another.
Transformers are laminated to lessen losses and eddy currents, which the conducting core of a transformer produces.
Using a transformer's core, the magnetic flux is moved from the main winding to the secondary winding. The undesirable currents known as eddy currents, which form in the core as a result of this process, are to blame for the heat losses in the core. To maximize efficiency, a transformer's primary flux must be contained in the secondary, and losses must be kept to a minimum.
Laminated core therefore has two essential qualities:
1. The secondary is the only location for the primary flux.
2. Eddy currents are constrained, which reduces losses.
Hence, the given statement is true.

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