YASH CLASSES
Electric potential
1.
Some charge on situated on X-axis the electric
potential at a point V = 7x2 +
10x – 5 volt .
calculate the intensity of electric field
and its
direction at x = 0.2 m .
2.
Some charge on situated on X-axis the electric
potential at a point V = 0.2x2 +
1.20x – 52 volt
calculate the intensity of electric field
and its
direction at x = 0.5 m .
3. Three charges are +q , + 2q and – 5q are
placed at the corner of equilateral
triangle
ABC of
side x meter . calculate the
elecrto-
static potential energy of the system .
4. Three charges are + 2q , + 5q and – 7q are
placed at the corner of equilateral triangle
ABC of
side x meter . calculate the
elecrto-
static potential energy of the system .
5. The kinetic energy of
a charged particle
decrease by 10 J when it moves from a point
A
[potential 100 V ] to point B[ potential 100
V ] find the charge on the particle
and nature.
6. The
kinetic energy of
a charged particle
decrease
by 18 J when it moves from a point
A [potential 125 V ] to point B[ potential
205
V ] find the charge on the particle
and nature.
7. Find the magnitude electric field at a point
on uniform
E.F. , V = - 15x + 30y + √15z