1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is d and area of each plate is A, the energy stored in the capacitor is
A
$${1 \over 2}{\varepsilon _0}{E^2}$$
B
$${{{E^2}Ad} \over {{\varepsilon _0}}}$$
C
$${1 \over 2}{\varepsilon _0}{E^2}Ad$$
D
$${\varepsilon _0}EAd$$
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The electric potential at a point in free space due to charge Q coulomb is Q $$ \times $$ 1011 volts. The electric field at that point is
A
$$4\pi {\varepsilon _0}Q \times {10^{20}}$$ volt/m
B
12$$\pi $$0Q $$ \times $$ 1022 volt/m
C
$$4\pi {\varepsilon _0}Q \times {10^{22}}$$ volt/m
D
$$12\pi {\varepsilon _0}Q \times {10^{20}}$$ volt/m
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charge on the part AKB of the ring is E. The electric field at the centre due to the charge on the part ACDB of the ring is

AIPMT 2008 Physics - Electrostatics Question 40 English
A
E along KO
B
3E along OK
C
3E along KO
D
E along OK
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
AIPMT 2008 Physics - Current Electricity Question 65 English
In the circuit shown, the current through the 4 $$\Omega $$ resistor is 1 amp when the points P and M are connected to a d.c. voltage source. The potential difference betwen the points M and N is
A
0.5 volt
B
3.2 volt
C
1.5 volt
D
1.0 volt
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