User Forum

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:

Class : Class 8
how to do it

Ans 2:

Class : Class 8
option a

Ans 3:

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:

Class : Class 7
why not option c?

Ans 5:

Class : Class 7

Ans 6:

Class : Class 1

Ans 7:

Class : Class 8
option a

Ans 8:

Class : Class 4
how priyanka

Ans 9:

Class : Class 1
@Bhagyesh You need to use your

Ans 10:

Class : Class 7

Ans 11:

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 12:

Class : Class 7

Ans 13:

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:

Class : Class 8

Ans 15:

Class : Class 7
I don't understand tbh

Post Your Answer