Charge
Trending Questions
What is the value of charge on a body that carries 30 excess electrons?
Explain the relation between current and drift velocity.
When a charged rod is brought near the disc of a negatively charged gold leaf electroscope, it is observed that the divergence of leaves decreases. What inference do you draw about the charge on the rod?
Rod is positively charged
Rod is negatively charged
Rod is partly positive and partly negative
Rod has no charge
Beta particles deflect more in an electric field than alpha particles because the former carry:
lower mass
lower charge
both(A) and (B)
neither (A) nor (B)
For any charge configuration, equipotential surface through a point is _____to the electric field at that point.
How is charge quantized?
A body can acquire a charge which is only an integral multiple of the charge of magnitude……..
A body is having a charge of 10 C. When it comes in contact with an uncharged body then it looses 1.6 C of charge. Find the number of charges lost.
1.6
1.6
-
- Electrons
- Protons
- Neutrons
- Deutrons
Write a note on pith-ball electroscope.
What is ether according to Nicola Tesla?
Difference between electrostatic force and magnetic force.
A gold leaf electroscope is given a positive charge so that the leaves diverge. How is the divergence of the leaves affected, when an uncharged rod is brought near its disc?
divergence increases
divergence decreases
divergence remains unaffected
the leaves come in contact with each other
Name the physical quantities of which the units are : (i) volt, (ii) coulomb, (iii) ohm, (iv) ampere.
Gausss law is valid for
Only regular closed surface
Open surface only
Closed surface only
Only irregular open surface
If a negatively charged body comes in contact with a neutral body and 10 electrons flow towards the neutral body then find the charge acquired by the neutral body.
16x10-19 coulombs
-16x10-19 coulombs
1.6 x 10-19 coulombs
-1.6 x 10-19 coulombs
In an electroscope, if a negatively charged body is brought in contact with the metal clip, the strips of the electroscope diverge. If now another charged object carrying an equal amount of positive charge is brought in contact with the clip, what will happen?
The charge on a body is +1 C. Find the number of electrons in excess or deficit on the body.
6.25 x 1018 deficit
1.6 x 10-19 excess
6.25 x 1018 excess
1.6 x 10-19 deficit
How much is the charge on an electron ?
You might have observed on a dry day that when you touch the screen of a television or computer monitor (with a picture tube), you get a slight shock. Why does it happen?
Similar charges attract each other and opposite charges repel each other.
- True
- False
Define one coulomb.
Question 3 (b)
Fill in the blanks in the following statements:
(b) A charged body
An electric current is said to be flowing through a wire when:
No particle passes through it
Only tennis balls pass through it
Neutrons pass through it
Electric charges pass through it
A body is brought near a negatively charged gold leaf electroscope. What conclusion is obtained about the charge on the body if the divergence of leaves remains unaffected?
negative
uncharged
partly positive and partly negative
Positive
Describe with the help of a diagram an instrument that can be used to detect a charged body.
Use the following information to answer the next question.
Akbar has three uncharged metal spheres made up of the same material. He places them in a row, in contact with one another. Then, he brings a negatively-charged metal sphere near one of the spheres. As a result, all the three spheres become charged.
Which of the following diagrams shows the charge distribution on the three spheres?
