1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
Two points $$P$$ and $$Q$$ are maintained at the potentials of $$10$$ $$V$$ and $$-4$$ $$V$$, respectively. The work done in moving $$100$$ electrons from $$P$$ to $$Q$$ is :
A
$$9.60 \times {10^{ - 17}}J$$
B
$$ - 2.24 \times {10^{ - 16}}J$$
C
$$ 2.24 \times {10^{ - 16}}J$$
D
$$- 9.60 \times {10^{ - 17}}J$$
2
AIEEE 2008
MCQ (Single Correct Answer)
+4
-1
A thin spherical shell of radius $$R$$ has charge $$Q$$ spread uniformly over its surface. Which of the following graphs most closely represents the electric field $$E(r)$$ produced by the shell in the range $$0 \le r < \infty ,$$ where $$r$$ is the distance from the center of the shell?
A
AIEEE 2008 Physics - Electrostatics Question 198 English Option 1
B
AIEEE 2008 Physics - Electrostatics Question 198 English Option 2c
C
AIEEE 2008 Physics - Electrostatics Question 198 English Option 3
D
AIEEE 2008 Physics - Electrostatics Question 198 English Option 4
3
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
An electric charge $${10^{ - 3}}\,\,\mu \,C$$ is placed at the origin $$(0,0)$$ of $$X-Y$$ co-ordinate system. Two points $$A$$ and $$B$$ are situated at $$\left( {\sqrt 2 ,\sqrt 2 } \right)$$ and $$\left( {2,0} \right)$$ respectively. The potential difference between the points $$A$$ and $$B$$ will be
A
$$4.5$$ volts
B
$$9$$ volts
C
zero
D
$$2$$ volts
4
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The potential at a point $$x$$ (measured in $$\mu \,m$$) due to some charges situated on the $$x$$-axis is given by $$V\left( x \right) = 20/\left( {{x^2} - 4} \right)$$ volt
The electric field $$E$$ at $$x = 4\,\mu \,m$$ is given by
A
$$(10/9)$$ volt / $$\mu $$ $$m$$ and in the $$ + ve$$ $$x$$ direction
B
$$\left( {5/3} \right)$$ volt/ $$\mu $$ $$m$$ and in the $$-ve$$ $$x$$ direction
C
$$\left( {5/3} \right)$$ volt/$$\mu $$ $$m$$ and in the $$+ve$$ $$x$$ direction
D
$$\left( {10/9} \right)$$ volt/ $$\mu \,m$$ and in the $$-ve$$ $$x$$ direction
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