Lenzs Law -Multiple Choice Questions Quiz

Interactive MCQs on “Lenzs Law”:

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: Lenz's Law is a fundamental principle in which branch of physics?

(a) Optics
(b) Thermodynamics
(c) Electromagnetism
(d) Mechanics

Question 2: According to Lenz's Law, the direction of the induced current in a conductor is such that it opposes:

(a) The magnetic field inside the conductor.
(b) The magnetic field outside the conductor.
(c) The change in magnetic flux that causes it.
(d) The direction of the external magnetic field.

Question 3: When a magnet is moved toward a coil, an induced current flows in the coil. In which direction does the induced current flow according to Lenz's Law?

(a) In the same direction as the magnet's motion.
(b) In the opposite direction of the magnet's motion.
(c) Clockwise around the coil.
(d) Counterclockwise around the coil.

Question 4: What happens to the induced current in a coil when the magnet is moved away from it?

(a) The induced current remains the same.
(b) The induced current reverses its direction.
(c) The induced current becomes stronger.
(d) The induced current becomes weaker.

Question 5: Which of the following situations will NOT induce an electric current in a nearby coil?

(a) Moving a permanent magnet toward the coil.
(b) Moving a permanent magnet away from the coil.
(c) Keeping the coil stationary inside a magnetic field.
(d) Rotating the coil within a magnetic field.

Question 6: Which quantity is used to quantify the rate of change of magnetic flux in Lenz's Law?

(a) Magnetic field strength
(b) Magnetic field density
(c) Magnetic flux density
(d) Magnetic flux

Question 7: In a coil, if the rate of change of magnetic flux is increasing, the induced current will flow in which direction?

(a) Clockwise
(b) Counterclockwise
(c) The direction cannot be determined from the information given.
(d) It will remain constant.

Question 8: Lenz's Law is a consequence of which fundamental principle in physics?

(a) Law of Conservation of Energy
(b) Newton's Second Law of Motion
(c) Law of Universal Gravitation
(d) Ohm's Law

Question 9: Which device is based on Lenz's Law and converts mechanical energy into electrical energy?

(a) Electric motor
(b) Transformer
(c) Generator
(d) Inductor

Question 10: If a magnet is moved perpendicular to the plane of a coil, will an induced current be produced in the coil according to Lenz's Law?

(a) Yes, an induced current will be produced.
(b) No, no induced current will be produced.
(c) The direction of the induced current cannot be determined.
(d) The induced current will be produced but will be very weak.