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Bibhu Sagar from VIVEKANANDA VIDYA MANDIR, Ranchi
Subject :NSO    Class : Class 8

Two metal spheres are mounted on insulating stands. Sphere P is initially uncharged and sphere Q is initially positively charged. A metal rod, held by an insulating handle, is placed in contact with P and Q as shown.

What are the charges on P and Q after the rod is placed in contact with them?

A
B
C
D


Answer is A but correct answer is given C . How ?

Ans 1:

Anushka Srivastava from Convent Of Jesus And Mary , Dehradun
Class : Class 8
It is A For sure

Ans 2:

Student from School, City
Class : Class 8
The correct answer is A as sphere P will acquire a positive charge due to conduction. This is also written in the solution.

Ans 3:

Zach from Frank Anthony public school, Bangalore
Class : Class 8
Answer is (A). This is also explained in the solution

Ans 4:

Ishat from DPS, GURUGRAM
Class : Class 10
incorrect answer.

Ans 5:

Sanathoiba Mayengbam from MARY IMMACULATE CATHOLIC SCHOOL, KAKCHING MANIPUR
Class : Class 8

Ans 6:

Aradhya from St Thomas School, New Delhi, New Delhi
Class : Class 5

Ans 7:

Abhinav from Delhi Public school , bhiwadi
Class : Class 8
Answer is A.The same is explained in the solution

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