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1: A conductor moves with a velocity of 22 ms-1 at an angle of 500 to a magnetic field of length 5 cm. If the magnitude of the induced emf is 105 V, determine the flux leaving the pole face. 2: A 400 kVA, 4000 V/200 V, 50 Hz single-phase transformer has 80 primary turns. Calculate (a) the primary and the secondary currents, (b) the number of secondary turns, and (c) the value of the mutual flux. 3: A 100 KVA transformer has primary and secondary winding resistances of 0.7 0 and 0.0280 respectively. The primary and secondary voltages are 1200 V and 840 V respectively. If the power factor of the load is 0.85, determine the core loss if the efficiency of the transformer is 89%. Draw the power diagram for the transformer.

1: A conductor moves with a velocity of 22 ms-1 at an angle of 500 to a magnetic field of length 5 cm. If the magnitude of the induced emf is 105 V, determine the flux leaving the pole face. 2: A 400 kVA, 4000 V/200 V, 50 Hz single-phase transformer has 80 primary turns. Calculate (a) the primary and the secondary currents, (b) the number of secondary turns, and (c) the value of the mutual flux. 3: A 100 KVA transformer has primary and secondary winding resistances of 0.7 0 and 0.0280 respectively. The primary and secondary voltages are 1200 V and 840 V respectively. If the power factor of the load is 0.85, determine the core loss if the efficiency of the transformer is 89%. Draw the power diagram for the transformer.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Its a humble request  please answer all questions.  Will get 10 upvotes. 

1: A conductor moves with a velocity of 22 ms-1 at an angle of 500 to a magnetic field of length 5 cm. If the magnitude of the induced emf is 105 V, determine the flux leaving the pole face. 2: A 400 kVA, 4000 V/200 V, 50 Hz single-phase transformer has 80 primary turns. Calculate (a) the primary and the secondary currents, (b) the number of secondary turns, and (c) the value of the mutual flux. 3: A 100 KVA transformer has primary and secondary winding resistances of 0.7 0 and 0.028 0 respectively. The primary and secondary voltages are 1200 V and 840 V respectively. If the power factor of the load is 0.85, determine the core loss if the efficiency of the transformer is 89%. Draw the power diagram for the transformer.
Transcribed Image Text:1: A conductor moves with a velocity of 22 ms-1 at an angle of 500 to a magnetic field of length 5 cm. If the magnitude of the induced emf is 105 V, determine the flux leaving the pole face. 2: A 400 kVA, 4000 V/200 V, 50 Hz single-phase transformer has 80 primary turns. Calculate (a) the primary and the secondary currents, (b) the number of secondary turns, and (c) the value of the mutual flux. 3: A 100 KVA transformer has primary and secondary winding resistances of 0.7 0 and 0.028 0 respectively. The primary and secondary voltages are 1200 V and 840 V respectively. If the power factor of the load is 0.85, determine the core loss if the efficiency of the transformer is 89%. Draw the power diagram for the transformer.
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