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can transistor amplify dc?

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No
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Description : The common-emitter transistor circuit can amplify a small current signal because a small change in the signal current produces one of the following. Does the change in signal produce a large change in the: w) emitter-base voltage x) base current y) collector current z) collector voltage

Answer : ANSWER: Y -- COLLECTOR CURRENT

Description : can transistors amplify voltage?

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Description : In the common–emitter transistor circuit, if the current gain is 100 and the collector current is 10 mA, the base current is: (1) 10 µA (2) 100 µA (3) 1 A (4) 10 A 

Answer : In the common–emitter transistor circuit, if the current gain is 100 and the collector current is 10 mA, the base current is: 100 µA

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Answer : The common base transfer characteristics

Description : In a transistor Colpitts oscillator, C1 = 0.001 µF, C2 = 0.01 µF and L = 5 µH. The frequency of oscillation in MHz will be (a) 2.37 MHz (b) 10.00 MHz (c) 11.54 MHz (d) 9.09 MHz 

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Answer : A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be 0.075 mA

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Answer : Beta cut-off frequency of a transistor is the frequency at which the Beta is 0.707 of low frequency value

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Answer : In an npn transistor, Holes are the minority carriers.

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Description : Advantages and Disadvantages of Permanent Magnet Brushless DC (PMBLDC) Motor

Answer : Advantages and Disadvantages of Permanent Magnet Brushless DC (PMBLDC) Motor

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