1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The output of OR gate is 1
A
if both inputs are zero
B
if either or both inputs are 1
C
only if both inputs are 1
D
if either inputs is zero
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Three particles, each of mass m gram, are situated at the vertices of an equilateral triangle ABC of side $$l$$ cm (as shown in the figure). The moment of inertia of the system about a line AX perpendicular to AB and in the plane of ABC, in gram-cm2 units will be

AIPMT 2004 Physics - Rotational Motion Question 40 English
A
$${3 \over 4}$$m$$l$$2
B
2m$$l$$2
C
$${5 \over 4}$$m$$l$$2
D
$${3 \over 2}$$m$$l$$2
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The unit of permittyvity of free space, $${\varepsilon _0}$$, is
A
coulomb/newton-metre
B
newton-metre2/coulomb2
C
coulomb2/newton-metre2
D
coulomb2/(newton-metre)2
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
If $$\left| {\overrightarrow A \times \overrightarrow B } \right| = \sqrt 3 \overrightarrow A .\overrightarrow B $$ then the value of $$\left| {\overrightarrow A + \overrightarrow B } \right|$$ is
A
(A2 + b2 + AB)1/2
B
$${\left( {{A^2} + {B^2} + {{AB} \over {\sqrt 3 }}} \right)^{1/2}}$$
C
A + B
D
(A2 + B2 + $${\sqrt 3 }$$AB)1/2.