GATE EC Diode Circuits questions
Practise Diode Circuits questions for GATE EC. Explore official PYQs and original topic-wise quizzes, check answers and view available solutions. Free, no sign-in.
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Consider the ideal diodes and as shown in the Figure with cut-in voltage Volt and is in Volt. The maximum voltage (Volt) of the output is . (rounded off to two decimal places)
All the diodes in the circuit given below are ideal. Which of the following plots is/are correct when (in Volts) is swept from to ?
The diode in the circuit shown below is ideal. The input voltage (in Volts) is given by , where time is in seconds. The time duration (in , rounded off to two decimal places) for which the diode is forward biased during one period of the input is
An ideal p-n junction germanium diode has a reverse saturation current of at . The voltage (in Volts, rounded off to two decimal places) to be applied across the junction to get a forward bias current of at is . (Consider the Boltzmann constant …
In the circuit shown, the step-down transformer and the diodes are ideal. The diodes have no voltage drop in forward biased condition. If the input voltage (in Volts) is and the average value of load voltage (in Volts) is , the value of is .
In the circuit shown below, and are silicon diodes with cut-in voltage of . and are input and output voltages in volts. The transfer characteristic is
A circuit and the characteristics of the diode in it are shown. The ratio of the minimum to the maximum small signal voltage gain is ____________ (rounded off to two decimal places).
An asymmetrical periodic pulse train of amplitude with on-time and off-time is applied to the circuit shown in the figure. The diode is ideal. The difference between the maximum voltage and minimum voltage of the output waveform (in integer) is ______________ .
A ROM array is built with the help of diodes as shown in the circuit below. Here and are signals that select the word lines and and are signals that are output of the sense amps based on the stored data corresponding to the bit lines during the read operation. …
A current of flows through the circuit shown. The diode in the circuit is forward biased and it has an ideality factor of one. At the quiescent point, the diode has a junction capacitance of . Its neutral region resistances can be neglected. Assume that the room temperature thermal equivalent voltage is . For …
The output of the diode circuit shown in the figure is connected to an averaging DC voltmeter. The reading on the DC voltmeter in Volts, neglecting the voltage drop across the diode, is _________________.
For a particular intensity of incident light on a silicon junction solar cell, the photocurrent density is and the open-circuit voltage () is V. Consider thermal voltage () to be mV. If the intensity of the incident light is increased by times, assuming that the temperature remains …
An AC voltage source volts is applied to the following network. Assume that , and , and that the diode is ideal. RMS current (in mA) through the diode is _______
For the circuit with ideal diodes shown in the figure, the shape of the output for the given sine wave input will be
If the circuit shown has to function as a clamping circuit, then which one of the following conditions should be satisfied for the sinusoidal signal of period
The diode in the circuit given below has but is ideal otherwise. The current in the resistor is _______.
In the circuit shown, assume that diodes and are ideal. In the steady state condition, the average voltage (in Volts) across the capacitor is ______.
In the circuit shown, assume that the diodes and are ideal. The average value of voltage across terminals and is _________.
A periodic variable is shown in the figure as a function of time. The root-mean-square (rms) value of is _______.
The diode in the circuit shown has Volts but is ideal otherwise. If Volts, the minimum and maximum values of (in Volts ) are, respectively,
