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A current transformer has two turns on the primary winding and a secondary winding of 260 turns.
The secondary winding is connected to an ammeter with a resistance of 0.2.The resistance of the secondary winding is 0.3. If the current in the primary winding is 650A.
Verify
(a) the reading on the ammeter,
(b) the potential difference across the ammeter, and
(c) the total load in VA on the secondary.
A copper wire whose diameter is 0.16 cm carries a steady current of 10 A. What is the current density of the wire?Also calculate the drift velocity of the electrons in copper.
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