pls answer both parts (b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of thetransformer is v(t) = 1400 сos (100лt + 7/3) V when a load of 100 Q is connected.(i) Calculate the primary RMS voltage.(ii) Calculate the load reflected on to the primary side.(iii) Calculate the power delivered to the load.(c) A DC motor, which is supplied by a 30 V DC power source, is operating at a constantmotor speed of 600 rpm. The motor has an armature resistance of 0.2 and a back-emf of 28 V. Determine the following:(i) The current drawn by the motor.(ii) The torque produced by the motor.(iii) The power loss in the armature.

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(b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of the transformer is v(t) = 1400 сos (100nt + 7/3) V when a load of 100 2 is connected. (i) Calculate the primary RMS voltage. (ii) Calculate the load reflected on to the primary side. (iii) Calculate the power delivered to the load.

(b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of the transformer is v(t) = 1400 сos (100nt + 7/3) V when a load of 100 2 is connected. (i) Calculate the primary RMS voltage. (ii) Calculate the load reflected on to the primary side. (iii) Calculate the power delivered to the load.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 8RQ

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