Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Two identical metallic spheres of exactly equal masses are taken. One is given a positive charge Q coulombs and the other an equal negative charge. Their masses after charging are different.

Two identical metallic spheres of exactly equal masses are taken. One is given a positive charge Q coulombs and the other an equal negative charge. Their masses after charging are different.

Grade:11

4 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago
Hello Student,
Please find the answer to your question
The metallic sphere which gets negatively charged gains electrons and hence its mass increases. The metallic sphere which gets positively charged loses electrons and hence its mass decreases.
Thanks
Kevin Nash
askIITians Faculty
Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago
Hello Student,
I don’t think the mass of the sphere’s are gonna change a lot.
I mean it can but they will be mass of e- giving 1C charge.
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
Megha
27 Points
3 years ago
When two bodies are rubbed together, electrons get removed from one body and these electrons so removed get transferred to the other body. The body from which the electrons get removed becomes positively charged and the body to which the electrons get transferred becomes negatively charged. Since an electron is a material particle, the mass of the positively charged body decreases and that of the negatively charged body increases. Hence, when one of the two identical metallic spheres is charged positive and the other negative, their masses after charging will not be equal.
Kushagra Madhukar
askIITians Faculty 629 Points
10 months ago
Dear student,
Please find the answer to your question.
 
Since, electrons which are negatively charged are more mobile due to their smaller mass, the transfer of charge will take place majorly due to the migration of electrons.
To charge the negatively charged sphere it will have to gain electrons.
While to charge the positively charge sphere, electrons must be removed from it.
Since, electrons have mass, therefore, the mass of the positively charged sphere will decrease while that of negatively charged sphere will increase.
However it must be noted that this effect might not be significant or even measurable in the macroscopic world, and the mass will roughly be the same if measured using weighing machine.
 
Thanks and regards,
Kushagra

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free