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प्रश्न
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उत्तर
Features which provide greater efficiency to a transformer are:
(i) The core of the transformer is laminated which prevents the formation of eddy currents.
(ii) A closed soft-iron core is used which reduces the magnetic field link loss and hysteresis loss.
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संबंधित प्रश्न
In the circuit diagram given below, three resistors R1, R2, and R3 of 5 Ω, 10 Ω and 30 Ω, respectively are connected as shown
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- current through each resistor.
- total current in the circuit.
- total resistance in the circuit.
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- the p.d. across the R Ω or 2 Ω resistors, and
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