1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A square surface of side L meter in the plane of the paper is placed in a uniform electric field $$E$$(volt/m) acting along the same plane at an angle $$\theta $$ with the horizontal side of the square as shown in figurre.

AIPMT 2010 Prelims Physics - Electrostatics Question 44 English
The electric flux linked to the surface, in units of volt m is
A
EL2
B
EL2cos$$\theta $$
C
EL2sin$$\theta $$
D
zero
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Two positives ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the number of electrons missing from each ion will be (e being the charge on an electron)
A
$${{4\pi {\varepsilon _0}F{d^2}} \over {{e^2}}}$$
B
$$\sqrt {{{4\pi {\varepsilon _0}F{e^2}} \over {{d^2}}}} $$
C
$$\sqrt {{{4\pi {\varepsilon _0}F{d^2}} \over {{e^2}}}} $$
D
$${{4\pi {\varepsilon _0}F{d^2}} \over {{q^2}}}$$
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A series combination of n1 capacitors, each of value C1, is charged by a source of potential difference 4V. When another parallel combination of n2 capacitors, each of value C2, is charged by a source of potential difference V, it has the same (total) energy stored in it. as the first combination has. The value of C2. in terms of C1, is then
A
$${{2{C_1}} \over {{n_1}{n_2}}}$$
B
$$16{{{n_2}} \over {{n_1}}}{C_1}$$
C
$$2{{{n_2}} \over {{n_1}}}{C_1}$$
D
$${{16{C_1}} \over {{n_1}{n_2}}}$$
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Consider the following two statements.
(A)  Kirchoff's junction law follows from the conservation of charge.
(B)  Kirchhoff's loop law follows from the conservation of energy.

Which of the following is correct?
A
Both (A) and (B) are wrong
B
(A) is correct and (B) is wrong
C
(A) is wrong and (B) is correct
D
Both (A) and (B) are correct
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