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 3:
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kartick Somasundaram
from
san academy, chennai
Class : Class 1
@Bhagyesh You need to use your brain and do it with your hands. Simple. @Raavi no need of that big thingy
Ans 4:
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Ans 8:
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sachinthite@rocketmail.com
from
Sinhghad Public School Korti, Pandharpur
Class : Class 4
how priyanka
Ans 9:
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Ans 11:
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Arjun
from
Sri Kumaran Public School - ICSE, Bengaluru
Class : Class 7
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 13:
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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
Ans 14:
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Ans 15:
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Vedang Shridhar Sasturkar
from
Vasant Valley School, New Delhi
Class : Class 7
I don't understand tbh