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Catherine Janet from Jubilee hills public school, Hyderabad
Subject :NSO    Class : Class 7

In which diagram(s) is/are the correct poles of the electromagnet indicated? (N indicates North pole and S indicates south pole.)


A2 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3


Ans 1:

Rahul Panda from St. Xavier's High School, Kendujhar
Class : Class 7
Kindly explain the answer clearly

Ans 2:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Isn't diagram 2 and 3 the same?

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