11. Major characteristic of a liquid crystal compounds used in LCD is:
12. CC amplifier has
13. Germanium and silicon photo sensors have their maximum spectral response in the
14. An intrinsic semiconductor at the absolute zero temperature
15. The intrinsic carrier density at 300 K is 1.5 × 1010/cm3, in silicon for n-type silicon doped to 2.25 × 1015 atoms/cm3, the equilibrium electron and hole densities are
16. Given V = 8V, L = 2m, Vd = 2 × 104, Find the electric field in V/m and mobility µ in m2/V-sec.
17. Which of the following quantities cannot be measured/determined using Hall effect?
18. Consider the following statements:
X-rays are used for lithography in IC technology because
1. high resolution is achievable
2. scattering effects are small
3. they can be focused easily
4. they can be deflected easily
Which of the statements given above are correct?
X-rays are used for lithography in IC technology because
1. high resolution is achievable
2. scattering effects are small
3. they can be focused easily
4. they can be deflected easily
Which of the statements given above are correct?
19. An n-type silicon sample of 10-3 m length and 10-10 m2 cross sectional area has an impurity concentration of 5 × 1020 atom/m3. If mobility of majority carries is 0.125 m2/v-sec, then the resistance of the sample will be . . . . . . . .
20. The concentration of minority carriers in an extrinsic semiconductor under equilibrium is
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