E1 Slot_EMD

Two atoms can form a bond by sharing some of their outermost electron. Which of the following has this type of Bond

• Diamond

• Copper

• NaCl

• Water

The length between two points on the corners of a unit cell is called as?

• Lattice Parameter

• Miller Indices

• Distance between two atoms

• Inter atomic Radius

In this Equation what are Nc and Nv respectively?

• Concentration of Electrons in Conduction and Valence Band

• Total Density of states at the Conduction and Valence Band

• Concentration of Majority Charge carriers in N type and P Type Semicondutor

• Effective Density of States at the edge of Conduction and Valence band

What is the meant by the Effective Mass of the charge carrier?

• The obtained mass when a voltage is applied to the semiconductor

• The obtained mass considering the Potential energy of the charge carrier

• The obtained mass when the charge carrier collide with an atom

• The atomic weight per unit volume

Which of the following is a wrong equation?

For a P⁺N junction diode, which of the following is True?

• It is tough to operate in Reverse Bias

• Width of depletion region is more at P side

• Width of depletion region is more at N Side

• The depleted charges at P side is more than N side

Which of the following statement is wrong when u require to increase the capacitance in a PN junction diode?

• Increase the cross sectional area of the PN junction diode

• Increase the Width of the depletion region

• Decrease the width of the depletion region

• Decrease the frequency of operation

Which of the following is true when the mobility of charge carriers becomes high? (multiple answers are right)

• Thermal Voltage is high

• Diffusion Coefficients is high

• Diffusion Current is high.

• Drift Current is high

How do you operate a common bases PNP transistor in saturation mode?
EB-Emitter Base Junction, CB- Collector Base Junction

• EB- Reverse Bias
  CB- Reverse Bias

• EB- Forward Bias
  CB- Reverse Bias

• EB- Forward Bias
  CB- Forward Bias

• EB- Reverse Bias
  CB- Forward Bias

What are Enhancement type MOSFET?

• Channels are already formed, enhance the drain current by applying gate voltage

• No channels are formed, Gate voltage is required to form a channel

• P type is enhanced to conduct drain current

• When drain voltage greater than gate voltage