Home
Class 12
PHYSICS
A positively charged oil drop is in equi...

A positively charged oil drop is in equilibrium in the electric field existing in the space between two horizontal plates separated by a distance of 1cm. The charge of the oil drop is `3.2 xx 10^(-19)C` and its mass is `10^(-17)g`.
(ii) The instantaneous acceleration of the oil drop, when the polarity of the two plates is reversed, is

A

`24.25 m cdot s^(-2)`

B

`19.60 m cdot s^(-2)`

C

`29.70 m cdot s^(-2)`

D

`34.52 m cdot s^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise Entrance Corner (Integer answer type)|3 Videos
  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise Examination Archive with solutions (WBCHSE)|8 Videos
  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise Entrance Corner (Multiple correct answers type)|6 Videos
  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|28 Videos

Similar Questions

Explore conceptually related problems

The electric field intensity between two parallel conducting plates separated by a distance 2 cm is 1.5 statV cdot cm^(-1) . Determine the potential difference between the plates in volt.

One of two parallel conducting plates separated by a distance 2 cm is charged to a potential 1800V, and the outer plate is connected to the earth. What is the magnitude of the electric field intensity in the space between the two plates?

The diameter of a spherical liquid drop is 2 mm and its charge is 5 xx 10^(-6) esu. If two such liquid drops coalesce to form a bigger drop, what will be the potential on its surface ?

Two charges +q and -q separated by a distance of 3xx10^(-12)m in air form an electric dipole. If the intensity of the electric field is 3.3xx10^(-32)N.C^(-1) at a distance 3 cm from the dipole on the perpendicular bisector, what is value of q?

Electric field intensities at two axial points of an electric dipole at distances 5 cm and 10 cm from its centre are 2.5 xx 10 ^( 4 ) N * C ^( - 1 ) and 2 xx 10 ^ 3 N * C ^ ( - 1 ) respectively. The dipole is placed in air. determine the length of the dipole.

If an oil drop of weight 3.2xx10^(-13) N is balanced in an electric field of intensity 5xx10^(5) V/m, find the charge on oil drop.

In Millikan's experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static charge on the oil drop is -1.282xx10^(-18)C , calculate the number of electrons present on it.

A parallel plate capacitor is made of two circular plates separated by a distance of 5mm and with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is 3xx10^(4) V/m , the charge density of the positive plate will be close to

A parallel plate capacitor has plates A and B each of area 0.5m^2 and a plate separation of 0.2 m. A dielectric slab of thickness 0.1m and dielectric constant 2.5 is placed between the two plates as shown - (a) FInd the capacitance of the capacitor, if the surface charge densities of the two plates are 8.854xx10^(-10)Cm^(-2) . (b) Graphically represent the variation of electric field between the two plates from A to B.

A small pith ball of mass 0.3 g is suspended by a weightless thread between two vertical parallel plates, separated by a distance of 5 cm. The ball carries a charge of 49 esu. What potential difference should be applied between the plates so that the thread is deflected by 45^(@) from the vertical?