1
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 198 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
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
An inductor $$(L=100$$ $$mH)$$, a resistor $$\left( {R = 100\,\Omega } \right)$$ and a battery $$\left( {E = 100V} \right)$$ are initially connected in series as shown in the figure. After a long time the battery is disconnected after short circuiting the points $$A$$ and $$B$$. The current in the circuit $$1$$ $$ms$$ after the short circuit is AIEEE 2006 Physics - Electromagnetic Induction Question 116 English
A
$$1/eA$$
B
$$eA$$
C
$$0.1$$ $$A$$
D
$$1$$ $$A$$
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Needles $${N_1}$$, $${N_2}$$ and $${N_3}$$ are made of ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will
A
attract $${N_1}$$ and $${N_2}$$ strongly but repel $${N_3}$$
B
attract $${N_1}$$ strongly, $${N_2}$$ weakly and repel $${N_3}$$ weakly
C
attract $${N_1}$$ strongly, but repel $${N_2}$$ and $${N_3}$$ weakly
D
attract all three of them
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a
A
helix
B
straight line
C
ellipse
D
circle
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