Two unlike charges separated by a distance of 1m attract each other with a force 0.108N. If the charges are in the ratio 1:3, the weak charge is?A. 2 micro C ,B. 4 micro C, C. 6 micro C, D. 5 microC

2 years ago

Share

Answers : (4)

                                        

Here q1:q2=1:3,


3q1=q2,


we know F=k(q1q2)/(r2)


where k=9x109N-m2/C2


thus 0.108=9x109(3(q2)2)/12


q2=2x10-6C


therefore the weak charge is 2micro C.

2 years ago
                                        

i think it is 2 microC

2 years ago
                                        

let charges be x,3x;


 


f=3x*x*9*10^9          =>x= 2 micro

2 years ago
                                        

The answer is 4 micro C. But it could be wrong.

2 years ago

Post Your Answer

More Questions On Electrostatics

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
x and y are 2 unequally positive charged particles separated initially at very far distance.then particle x is provided a velocity u towards y with y at rest. both charges are free to move....
 
 
Regards, Nirmal SIngh Askiitians Faculty
  img
Nirmal Singh. 4 months ago
 
When the charge is given a velocity u, it would undergo decelleration due to which the KE of the system would decrease and PE og system would increse. Next, after some time, at a certain...
 
Shivam 4 months ago
 
finally both comes in equillibrium
 
yogesh chalisa 4 months ago
can an elecron have an acceleration along electric line of field?
 
 
It will have acceleration in the opposite direction of electric field. sher mohammad b.tech, iit delhi
  img
Sher Mohammad 2 months ago
How a particle is placed in a cyclotron?
 
 
The Particles are from a source. The source could be a tank of helium or hydrogen gas or whatever you need source could also be a solid that is heated , I believe so that you will have...
 
Ashwin 10 days ago
optics means
 
 
optics is branch of science which involves the behaviour and properties of light ,including its interaction of matter and the construction of instruments that use or detect it.
 
BIRADHER SHREYA 5 months ago
 
the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision.
 
Indu 5 months ago
A MONOTONIC GAS EXPANDS ACCORDING TO PROCESS PT 2/5 =CONSTANT............ (A)TEMP. OF GAS INCREASES. (B)TEMP. OF GAS DECREASES ( C)NO HEAT EXCHANGE WITH GAS (D)HEAT IS ABSORBED BY GAS HOW 2...
 
 
I felt like first option is correct. because expansion. so pressure decreases And hence temperature increases right or wrong
 
Aazim Bill SE Yaswant 6 months ago
 
is b and c the answer
 
Aazim Bill SE Yaswant 6 months ago
View all Questions »