AIEEE 2006 | Semiconductor Question 191 | Physics

If the lattice constant of this semiconductor is decreased, then which of the following is correct? AIEEE 2006 Physics - Semiconductor Question 179 English

AIEEE 2006 Physics - Semiconductor Question 179 English

All $${E_c},{E_g},{E_v}$$ increase

$${E_c}$$ and $${E_v}$$ increase, but $${E_g}$$ decreases

$${E_c}$$ and $${E_v}$$ decrease, but $${E_g}$$ increases

All $${E_c},{E_g},{E_v}$$ decrease

AIEEE 2005

MCQ (Single Correct Answer)

-1

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $$2480$$ $$nm$$ is incident on it. The band gap in $$(eV)$$ for the semiconductor is

$$2.5$$ $$eV$$

$$1.1$$ $$eV$$

$$0.7$$ $$eV$$

$$0.5$$ $$eV$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

In a full wave rectifier circuit operating from $$50$$ $$Hz$$ mains frequency, the fundamental frequency in the ripple would be

$$25$$ $$Hz$$

$$50$$ $$Hz$$

$$70.7$$ $$Hz$$

$$100$$ $$Hz$$