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
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
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 | |