A transformer.coupled class A amplipier drives a 16 2 speaker through a 3.87:1 transformer.Using a power supply of Vçe =36v, the circuit delivers 2W to Hhe loaol. Calculate: ay Plac)across transformer primary. b) ycac). C) vcac) at trans former primary. d the rms values of oacd and primary e) the efficiency op the circuit if the bras curant IcQ =150 mA, current. C66 Y C) 21.67 V

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.63P: A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a...
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HiW(3-2)
A transfarmer.coupled class A ampliprer drives a
16 2 speaker tarough a 3.87:1 transformer. Using
a power supply of Vee =36v, the circuit delivers
2W to Hhe loadl. Calculate:
a) Plac)across transformer primary.
b) y cac).
C) Vcac) at transformer primary.
o the rms values of load and primary
the efficiency of
Icq
current
he circuit if She bras currant
=150 mA,
bi Si66 V
) 21.67 V
Transcribed Image Text:HiW(3-2) A transfarmer.coupled class A ampliprer drives a 16 2 speaker tarough a 3.87:1 transformer. Using a power supply of Vee =36v, the circuit delivers 2W to Hhe loadl. Calculate: a) Plac)across transformer primary. b) y cac). C) Vcac) at transformer primary. o the rms values of load and primary the efficiency of Icq current he circuit if She bras currant =150 mA, bi Si66 V ) 21.67 V
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