1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The circuit has two oppositively connected ideal diodes in parallel. What is the current following in the circuit?

AIEEE 2006 Physics - Semiconductor Question 181 English
A
$$1.71$$ $$A$$
B
$$2.00$$ $$A$$
C
$$2.31$$ $$A$$
D
$$1.33$$ $$A$$
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In the following, which one of the diodes is reverse biased?
A
AIEEE 2006 Physics - Semiconductor Question 180 English Option 1
B
AIEEE 2006 Physics - Semiconductor Question 180 English Option 2
C
AIEEE 2006 Physics - Semiconductor Question 180 English Option 3
D
AIEEE 2006 Physics - Semiconductor Question 180 English Option 4
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
If the lattice constant of this semiconductor is decreased, then which of the following is correct? AIEEE 2006 Physics - Semiconductor Question 179 English
A
All $${E_c},{E_g},{E_v}$$ increase
B
$${E_c}$$ and $${E_v}$$ increase, but $${E_g}$$ decreases
C
$${E_c}$$ and $${E_v}$$ decrease, but $${E_g}$$ increases
D
All $${E_c},{E_g},{E_v}$$ decrease
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-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
A
$$2.5$$ $$eV$$
B
$$1.1$$ $$eV$$
C
$$0.7$$ $$eV$$
D
$$0.5$$ $$eV$$
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