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Q#1 Electric and Magnetic Fields GATE EC 2025 MCQ +2 marks -0.66 marks

An electric field of  is applied along the length of a copper wire of circular cross-section with diameter 1 mm. Copper has a conductivity of .

The current (in Amperes, rounded off to two decimal places) flowing through the wire is _________.

0.46

1.82

0.58

1.12

Explanation:

Given:

 

 

 

 

Area of conductor,

  

 

 

 

Hence, option (A) is correct.

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Network Analysis 14 0 0
Electronic Devices 13 0 0
Analog Electronics 25 0 0
Digital Electronics 17 0 0
Signals and Systems 22 0 0
Control Systems 16 0 0
Communication System 20 0 0
EMFT - ECE 14 0 0
Engineering Mathematics 24 0 0
General Aptitude 30 0 0