Magnetic Effects of Current and Magnetism-Ampere's Law [HBCSE Olympiads (Homi Bhabha Centre for Science Education) NSEP (Physics)]: Questions 1 - 2 of 2

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Question 1

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Appeared in Year: 2016

Question

MCQ▾

A wire in the shape of a square frame carries a current and produces a magnetic field at its centre. Now the wire is bent in the shape of a circle and carries the same current. If is the magnetic field produced at the centre of the circular coil, then is –

Choices

Choice (4)Response
a.
b.
c.
d.

Question 2

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Appeared in Year: 2016

Question

MCQ▾

A fixed horizontal wire carries current. Another wire running parallel to carries a current and remains suspended in a vertical plane below at a distance of . Both the wires have a linear mass density . Therefore, the current is –

Choices

Choice (4)Response
a.20 A
b.4.9 A
c.200 A
d.49 A