Magnetic Flux Problems In Physics -Multiple Choice Questions Quiz

Interactive MCQs on “Magnetic Flux Problems In Physics”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the SI unit of magnetic flux?

(a) Tesla
(b) Henry
(c) Weber
(d) Gauss

Question 2: Which of the following equations represents the mathematical definition of magnetic flux (Φ)?

(a) Φ = B/A
(b) Φ = B x A
(c) Φ = B - A
(d) Φ = B + A

Question 3: If a magnetic field of 2.5 T is passing perpendicularly through an area of 0.2 m², what is the magnetic flux?

(a) 0.5 Wb
(b) 0.4 Wb
(c) 0.05 Wb
(d) 0.1 Wb

Question 4: When a magnetic field passes through an area at an angle of 30 degrees, how can you calculate the magnetic flux?

(a) Φ = B/A
(b) Φ = B x A
(c) Φ = B cos θ
(d) Φ = B sin θ

Question 5: If the magnetic flux passing through an area is zero, what can be said about the angle between the magnetic field and the area?

(a) 90 degrees
(b) 180 degrees
(c) 0 degrees
(d) 45 degrees

Question 6: In which situation is the magnetic flux maximum?

(a) When the magnetic field is weak
(b) When the area is large
(c) When the angle between the magnetic field and the area is 180 degrees
(d) When the magnetic field and area are perpendicular (angle = 90 degrees)

Question 7: If the magnetic flux through a coil changes at a rate of 2 Wb/s and induces an electromotive force (emf) of 12 V, what is the coefficient of mutual induction (M) of the coil?

(a) 6 H
(b) 2.5 H
(c) 10 H
(d) 24 H

Question 8: If a magnetic field has a flux of 0.5 Wb and experiences a rate of change of 0.2 Wb/s, what is the induced electromotive force (emf)?

(a) 0.2 V
(b) 2.5 V
(c) 10 V
(d) 0.1 V

Question 9: What happens to the magnetic flux through a closed loop in a uniform magnetic field when the area of the loop is increased?

(a) The flux decreases
(b) The flux remains constant
(c) The flux increases
(d) The flux fluctuates

Question 10: What is the magnetic flux through a closed surface if the magnetic field lines are parallel to the surface?

(a) Maximum
(b) Minimum
(c) Zero
(d) Negative