Q. Which of the following figures is an ideal equivalent circuit of a n-p-n transistor?

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Q. In the circuit of figure, the value of re is (neglecting vbe)

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Q. In figure Vi may vary from 15 to 20 V and load current may vary from 20 mA to 100 mA. Suitable maximum value of R is

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Q. In the circuit shown in the given figure, the current flowing through resistance of 100 Ω would be

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Q. In figure the dc load line will meet the y and x axis respectively at

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Q. In a CE class A amplifier the quiescent current and voltage are ICQ and VCEQ. The maximum power output can be

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Q. The ripple factor of a power supply is

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Q. If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequency is

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Q. In figure, IC ≈

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Q. Figure shows a

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Q. The equivalent circuit shown in figure is for

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Q. Symbol shown in figure represents a

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Q. At the peak of negative half cycle in figure

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Q. The input resistance Ri of the amplifier shown in the figure

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Q. In figure, current gain is

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Q. In the CE circuit shown in figure the slope of dc load line will be

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Q. Oscillation of frequency in Hartley oscillator is

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Q. In each of circuits below, indicate which diode is conducting?

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Q. In the circuit shown in the figure, the approximate voltage at the transistor,

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Q. Figure represents

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