You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Idea behind a PPC

Twelve charge...

Question

Twelve charges of charge $q$ are situated at the corners of the 12 sided polygon of side $a$ . What is net force on the charge $Q$ at the centre

Zero

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

\frac{3 q Q}{π ϵ_{0} a^{2}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\frac{q Q}{π ϵ_{0} a^{2}}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of the above

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Zero
Due to symmetricitu of the polygon, the force on the centre due to opposite charges will cancel each other. Hence net force on the charge Q at the centre will be zero.
Hence option (A) is correct

Suggest Corrections

Similar questions

12 equal charges q are situated at the corners of a regular 12 sided polygon . What is the net force on the test charge Q at the centre?

Q. Twelve equal charges

(q)

, are situated at the corners of a regular

12 -

sided polygon

(

for instance, one on each numeral of a clock face

)

. What is the net force on a test charge

Q

at the centre?

(

Assume the distance between

q

and

Q

pair(s) to be

L)

The positive point charges, each equal to +q, are placed at corners A, B and C of a square of side a. The magnitude of the force experienced by a point charge +Q placed at corner D is

Q. Four identical charges of charge

q

are placed at the corners of a square of sides r as shown above. Find the magnitude of the net force acting on a charge of magnitude

2 q

placed in the center of the square.

Three charges $+ q, + q$ and $+ q$ are placed at the corners of an equilateral triangle of side 'a'. The resultant electric force on a charge $+ q$ placed at the centre of the triangle is :

Join BYJU'S Learning Program

Twelve charges of charge q are situated at the corners of the 12 sided polygon of side a. What is net force on the charge Q at the centre

The correct option is A ZeroDue to symmetricitu of the polygon, the force on the centre due to opposite charges will cancel each other. Hence net force on the charge Q at the centre will be zero.Hence option (A) is correct

Twelve charges of charge $q$ are situated at the corners of the 12 sided polygon of side $a$ . What is net force on the charge $Q$ at the centre

The correct option is A Zero
Due to symmetricitu of the polygon, the force on the centre due to opposite charges will cancel each other. Hence net force on the charge Q at the centre will be zero.
Hence option (A) is correct