AIEEE 2006 | Semiconductor Question 229 | Physics

If the lattice constant of this semiconductor is decreased, then which of the following is correct? AIEEE 2006 Physics - Semiconductor Question 219 English

AIEEE 2006 Physics - Semiconductor Question 219 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 2006

MCQ (Single Correct Answer)

-1

A solid which is not transparent to visible light and whose conductivity increases with temperature is formed by

Ionic bonding

Covalent bonding

Vander Waals bonding

Metallic bonding

AIEEE 2006

MCQ (Single Correct Answer)

-1

Out of Syllabus

In a common base mode of a transistor, the collector current is $$5.488$$ $$mA$$ for an emitter current of $$5.60mA.$$ The value of the base current amplification factor $$\left( \beta \right)$$ will be

$$49$$

$$50$$

$$51$$

$$48$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

Out of Syllabus

In a common base amplifier, the phase difference between the input signal voltage and output voltage is

$$\pi $$

$${\pi \over 4}$$

$${\pi \over 2}$$