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Pratyay Sarkar from South Point High School, Kolkata
Subject :NSO    Class : Class 7

Out of the given diagrams, which one represents the effect of bringing a positively charged rod near an electroscope (i.e. charged by conduction)?


A 1
B 2
C 3
D 4


Ans 1:

kartick Somasundaram from cps, chennai
Class : Class 3

Ans 2:

Arjun from Sri Kumaran Public School - ICSE, Bengaluru
Class : Class 8
This is wrong. The answer should be C, due to induction. The positive charges move to the bottom as they repel, while the negative particles should move to the top, as they are attracted to the positive particles in the bar.

Ans 3:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7

Ans 4:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7
why not option c?

Ans 5:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7

Ans 6:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option a

Ans 7:

kartick Somasundaram from cps, chennai
Class : Class 3
@Bhagyesh You need to use your

Ans 8:

Vedang Shridhar Sasturkar from Vasant Valley School, New Delhi
Class : Class 7
I don't understand tbh

Ans 9:

Prisha Hemchandra Lokhande from NPS Whitefield, Bangalore, Bangalore
Class : Class 8

Ans 10:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8
how to do it

Ans 11:

kartick Somasundaram from cps, chennai
Class : Class 3
@Bhagyesh You need to use your brain and do it with your hands. Simple. @Raavi no need of that big thingy

Ans 12:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option a

Ans 13:

sachinthite@rocketmail.com from Sinhghad Public School Korti, Pandharpur
Class : Class 4
how priyanka

Ans 14:

Bhim Maity from ASIAN INTERNATIONAL SCHOOL HOWRAH, HOWRAH
Class : Class 7

Ans 15:

Raavi from DPS, Ranchi
Class : Class 8
@bhagyesh .As metal rod or electroscope is positively charged all the currents flown to the object will be positive and the leaves will repel each other

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