The following figure shows a logic gate circuit with two inputs A and B and the output Y. The voltage waveforms of A, B and Y are as given.
The logic gate is
A
NOR gate
B
OR gate
C
AND gate
D
NAND gate
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The electric field at a distance $${{3R} \over 2}$$ from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance $${R \over 2}$$ from the centre of the sphere is
A
zero
B
E
C
$${E \over 2}$$
D
$${E \over 3}$$
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Two parallel metal plates having charges +Q and $$-$$Q face each other at a certain distance between them. If the plates are now dipped in kerosene oil tank, the electric field between the plates will
A
become zero
B
increase
C
decrease
D
remain same
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A monatomic gas at pressure P1 and volume V1 is compressed adiabatically to $${{1 \over 8}^{th}}$$ of its original volume. What is the final pressure of the gas?