Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A bullet of mass 2 g is having a charge of 2 $$\mu $$C. Through what potential difference must it be accelerated, starting from rst, to acquire a speed of 10 m/s ?
A
5 kV
B
50 kV
C
5 V
D
50 V
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A charge q is located at the centre of a cube. The electric flux through any face is
A
$${{2\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
B
$${{4\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
C
$${{\pi q} \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
D
$${q \over {6\left( {4\pi {\varepsilon _0}} \right)}}$$
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Some charge is being given to a conductor. Then its potential is
A
maximum at surface
B
maximum at centre
C
remain same throughout the conductor
D
maximum somewhere between surface and centre.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Identical charges ($$-$$q) are placed at each corners of cube of side b then electrostatic potential energy of charge (+q) which is placed at centre of cube will be
A
$${{ - 4\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$
B
$${{ - 8\sqrt 2 {q^2}} \over {\pi {\varepsilon _0}b}}$$
C
$${{ - 4\,{q^2}} \over {\sqrt 3 \,\pi {\varepsilon _0}b}}$$
D
$${{8\sqrt 2 \,{q^2}} \over {4\,\pi {\varepsilon _0}b}}$$
NEET Subjects