1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Electric field at centre O of semicircle of radius $$a$$ having linear charge density $$\lambda $$ given as

AIPMT 2000 Physics - Electrostatics Question 23 English
A
$${{2\lambda } \over {{\varepsilon _0}a}}$$
B
$${{\lambda \pi } \over {{\varepsilon _0}a}}$$
C
$${\lambda \over {2\pi {\varepsilon _0}a}}$$
D
$${\lambda \over {\pi {\varepsilon _0}a}}$$
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is
A
$${Q \over {6{\varepsilon _0}}}$$
B
$${Q \over {8{\varepsilon _0}}}$$
C
$${Q \over {{\varepsilon _0}}}$$
D
$${Q \over {2{\varepsilon _0}}}$$
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