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Q. Mention the advantages and disadvantages of direct coupled coupling?
Advantages:
1.Simple circuit due to minimum use of resistor
2.Low cost due to absence of expensive coupling device
Disadvantages:
1.It cannot be used for amplifying high frequencies
2.The opertaing point is shifted due to temperature variations.
Q. A 10-hp, 230-V dc shunt motor takes a full- load line current of 40 A. The armature and field resistances are 0.25 and 230 , respectively. The total brush-contact drop is 2 V,
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HELLO.can I have a short note on database resources
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