ECE :: Analog Electronics
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The theoretical maximum efficiency of a half wave diode rectifier is
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Which of the following statement is correct?
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In a transistor push pull amplifier
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When negative feedback is used the fractional changes in closed loop gain are desensitized by the factor (1 + Avβ)
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Which of the following statement about JFET is true?
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Which of the following is the common feature between FETs and bipolars?
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The circuit shown in the figure is that of
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The current through common emitter resistor of a differential amplifier is called
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V MOS have the advantage of
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A.
The input impedance of CE amplifier is usually around 10 Ω
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B.
The voltage gain of a transistor amplifier in CE mode is always less than unity
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C.
The output impedance of a transistor amplifier is independent of the transistor configuration
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D.
The voltage gain of a transistor amplifier is independent of the load resistance
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A.
In a JFET, gate and source have opposite polarity with respect to drain irrespective of the type of FET
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B.
In its schematic symbol for JFET, the arrow always points to p-type material
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C.
In an n-channel JFET, the channel is the narrowest under zero gate bias condition
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D.
In JFET, gate source cut off voltage is numerically equal to the pinch off voltage
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