1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The flux linked with a coil at any instant $$'t'$$ is given by
$$\phi = 10{t^2} - 50t + 250$$
The induced $$emf$$ at $$t=3s$$ is
A
$$-190$$ $$V$$
B
$$-10$$ $$V$$
C
$$10$$ $$V$$
D
$$190$$ $$V$$
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The refractive index of a glass is $$1.520$$ for red light and $$1.525$$ for blue light. Let $${D_1}$$ and $${D_2}$$ be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then,
A
$${D_1} < {D_2}$$
B
$${D_1} = {D_2}$$
C
$${D_1}$$ can be less than or greater than $${D_2}$$ depending upon the angle of prism
D
$${D_1} > {D_2}$$
3
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 103 English
A
$$1/eA$$
B
$$eA$$
C
$$0.1$$ $$A$$
D
$$1$$ $$A$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-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
A
$$49$$
B
$$50$$
C
$$51$$
D
$$48$$
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