Magnetic Effects of Current and Magnetism-Biot - Savart Law (NEET Physics): Questions 5 - 8 of 11

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Passage

Read the passage given below and answer the questions that follow:

A conducting wire is bent into a loop as shown in the figure. The segment AOB is parabolic given by the equation y 2 = 2x while segment BA is a straight line parallel to the y-axis.

The magnetic field in the region is B and the current in the wire is 2A.

Electric current carrying loop segment AOB

Electric Current Carrying Loop Segment AOB

A conducting wire is bent into a loop as shown in figure. The segment AOB is parabolic and BA is straight line parallel to y-axis.

Question number: 5 (2 of 2 Based on Passage) Show Passage

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

The field created by the current in the loop at point C will be

Choices

Choice (4) Response

a.

μ02πk^

b.

μ02πk^

c.

μ04πk^

d.

None of the above

Question number: 6

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

The magnitude of magnetic field at a point having perpendicular distance 50 mm from a long straight conducting wire carrying a current of 3A is, ( μ0=4π×107 )

Choices

Choice (4) Response

a.

0.12 G

b.

1.2 G

c.

0.012 G

d.

12 G

Question number: 7

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

The straight long conductors AOB and COD are perpendicular to each other and carry current i1 and i2 . The magnitude of the magnetic induction at point P at a distance ‘a’ from the point O in a direction perpendicular to the plane ACBD is

 Conductors AOB and COB explained above

Conductors AOB and COB Explained Above

The straight long conductors AOB and COD are perpendicular to each other and carry current i1 andi2. Magnetic field should be finding at point P at a distance ‘a’ from the point O in a direction perpendicular to the plane ACBD.

Choices

Choice (4) Response

a.

μ02πa(i12+i22)12

b.

μ02πai1i2i1+i2

c.

μ02πa(i1+i2)

d.

μ02πa(i1i2)

Question number: 8

» Magnetic Effects of Current and Magnetism » Biot - Savart Law

MCQ▾

Question

Consider the loop PQRSP, carrying clockwise current i, shown in the figure. The magnitude of magnetic field at the center O of the curved portion is

The loop PQRSP, carrying clockwise current i

The Loop PQRSP, Carrying Clockwise Current I

Here in figure loop PQRSP is current carrying in clockwise direction. O is the center of this loop.

Choices

Choice (4) Response

a.

0

b.

μ0i2πr

c.

μ0i2πr(π+tan)

d.

μ0i2πr(π+tan)

Sign In