chapter 4 Electricity: Magnetic and Heating Effects - Part 4

A wire carrying current placed near a magnetic needle causes the needle to deflect; this shows that the wire has:

Type: MCQ • Marks: 1
A wire carrying current placed near a magnetic needle causes the needle to deflect; this shows that the wire has:
Options
A. A chemical field
B. A magnetic field around it
C. No effect on the needle
D. A gravitational field
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