Question
Explain characteristics of electric charge.

Answer

►(1) There are two types of electric charge :
         (i) Positive charge.
         (ii) Negative charge.
   (2) Heterogeneous electric charges repel and homogeneous charge attracts each other.
   (3) Electric charge without mass does not exist.
   (4) Charge is an internal property of matter.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Two electric charges $+Q$ and $-Q(x-y)$ are placed at the points $\left(-x_2, 0\right)$ and $\left(x_1, 0\right)$ respectively in the plane. Find the magnitude and direction of the resultant electric field at the origin $(0,0)$.
Two charges are placed in air at some distance:(a) If a glass slab whose dielectric constant is 8 is placed between them, then what will be the change in the magnitude of the force acting between them?(b) What will happen if the piece of brass is kept?
The luminous flux of a monochromatic source of 1W is 450 lumen/ watt. Find the relative luminosity at the wavelength emitted.
An electronically driven loudspeaker is placed near the open end of a resonance column apparatus. The length of air column in the tube is 80cm. The frequency of the loudspeaker can be varied between 20Hz-2kHz. Find the frequencies at which the column will resonate. Speed of sound in air = 320m/s.
The mass of an alpha particle located in a uniform electric field of $1.6 \times 10^5 V / m$ is $6.4 \times 10^{-27}$ Kg and charge is $3.2 \times 10^{-19} C$. What will be the velocity of the particle after travelling a path of $2 \times$ $10^{-2} m$ at rest?
Why do we prefer a potentiometer to measure the emf of a cell rather than a voltmeter?
By looking at the construction of a compound microscope and a telescope, how will you distinguish which type of optical instrument is which?
Briefly explain Geiger-Marsden experiment. Show the variation of the number of particles scattered (N) with scattering angle $(\theta)$ in this experiment. What is the main conclusion that can be inferred from this plot?
A person is painting his house walls. He stands on a ladder with a bucket containing paint in one hand and a brush in other. Suddenly the bucket slips from his hand and falls down on the floor. If the bucket with the paint had a mass of 6.0kg and was at a height of 2.0m at the time it slipped, how much gravitational potential energy is lost together with the paint?
  1. An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not?
  2. Explain why two field lines never cross each other at any point?