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Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata
Subject :NSO    Class : Class 7

Which of the following is not a source of electric current?

(A)

(B)

(C)

(D)

Ans 1:

Praveen Sankar from Amrita vidyalayam, Tuticorin
Class : Class 7
dynamo

Ans 2:

Pulkit Khanna from DELHI PUBLIC SCHOOL RUBY PARK KOLKATA, Kolkata
Class : Class 9

Ans 3:

Harshil Malhotra from Takshila, Mandi
Class : Class 8
D)

Ans 4:

AAYUSH JHA from DPS BOPAL AHMEDABAD, Ahmedabad
Class : Class 8
ANSWER IS ELECTROMAGNET

Ans 5:

Ayaan from DPS DLF City Phase-2, Gurugram
Class : Class 7
Ans is D(ELECTROMAGNET)

Ans 6:

Khwahish Sharma from Oakfield Public School , Jaipur
Class : Class 7
Answer d is correct because car batteries provide electricity to the cars,so it is a source of electricity and dry cells is a type of battery commonly used for portable electrical devices. It provide energy to many things which we daily use like TV remotes , rc cars , torches etc . Dinamo is also a source of electricity . But electromagnet does not provide us electricity/ energy .

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