(I) Transistor can be operated efficiently in an operating point (II) Variations of I_(C) and V_(CE) takes place in this point. (III) Q - points determine the working point of a transistor . (IV) Transistor is a semiconductor device used to amplify or switch electronic signals.

(I) Transistor can be operated efficiently in an operating point (II)

1.	(I) Transistor can be operated efficiently in an operating point (II) Variations of I_(C) and V_(CE) takes place in this point. (III) Q - points determine the working point of a transistor . (IV) Transistor is a semiconductor device used to amplify or switch electronic signals.
Answer» I and II only II and III only I , II and III only I , II , III and IV only Answer :D

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(I) Transistor can be operated efficiently in an operating point (II) Variations of I_(C) and V_(CE) takes place in this point. (III) Q - points determine the working point of a transistor . (IV) Transistor is a semiconductor device used to amplify or switch electronic signals.

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