The main purpose of the metallization process is
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ECE · all questionsElectronic Devices And Circuits
Electronic Devices And Circuits
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A gate to drain connected enhancement mode MOSFET is an example of
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How much "holes carrier" emitted by the emitter recombines with the electrons in the base in a PNP type transistor?
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If temperature increases in a diode, then VD
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The majority carriers in an n-type semiconductor have an average drift velocity Vd in a direction perpendicular to a uniform magnetic field B. The electric field E induced due to Hall Effect acts in the direction
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Which of the following is obtained by drawing a single crystal from a melt of germanium whose type is changed during the drawing process by adding first p-type and then n-type impurities?
1. Alloy junction
2. Diffused junction
3. Grown junction
1. Alloy junction
2. Diffused junction
3. Grown junction
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In resistance level, the AC or the dynamic resistance of a p-n junction diode is defined by
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Which is not a type of OLED?
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The transit time of the current carries through the channel of a JFET decides its . . . . . . . . characteristic
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For the emitter bias, the voltage across the emitter resistor is the same as the voltage between the emitter and the
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One eV is equal to . . . . . . . . J.
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An n-type of silicon can be formed by adding impurity of:
1. Phosphorous
2. Arsenic
3. Boron
4. Aluminium
Which of the above are correct?
1. Phosphorous
2. Arsenic
3. Boron
4. Aluminium
Which of the above are correct?
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Which of the following does not show non-linear V-I characteristics?
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In a p-type semiconductor, acceptor concentration is 1013/cm3 and intrinsic concentration is 1.5 × 1016/cm3, then find electron concentration?
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When a junction diode is used in switching applications, the forward recovery time is
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A semi conductor is irradiated with light such that carriers are uniformly generated throughout its volume. The semiconductor is n-type with ND = 1019/cm3. If the excess electron concentration in the steady state is ∆n = 1015/cm3 and if τp = 10µsec. (minority carrier life time) the generation rate due to irradiation
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The solar or photo voltaic cell converts:
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Silicon has a preference in IC technology because
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For a common-base BJT configuration having IC = 5 mA and α = 0.97, an AC signal of 5 mV is applied between the base and emitter terminals. What is the value of output impedance and current gain?
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Q100
Open questionThe unit of mobility is
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