1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
The given truth table is for which logic gate

              $$\matrix{ A & B & Y \cr 1 & 1 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 0 & 0 & 1 \cr } $$
A
NAND
B
XOR
C
NOR
D
OR.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In a p-n junction
A
high potential at n side and low potential at p side
B
high potential at P side and low potential at n side
C
p and n both are at same potential
D
undetermined.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
For a black body at temperature 727oC, its radiating power is 60 watt and temperature of surrounding is 227oC. If temperature of black body is changed to 1227oC then its radiating power will be
A
304 W
B
320 W
C
240 W
D
120 W
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A lift of mass 1000 kg which is moving with acceleration of 1 m/s2 in upward direction, then the tension developed in string which is connected to lift is
A
9800 N
B
10,800 N
C
11,000 N
D
10,000 N.