Seebeck Effect -Multiple Choice Questions Quiz

Interactive MCQs on “Seebeck Effect”:

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 Seebeck Effect?

(a) The generation of an electric current in a conductor when exposed to a magnetic field.
(b) The production of light when an electric current passes through a semiconductor.
(c) The development of a temperature difference across a conductor when an electric current flows through it.
(d) The emission of electrons from a heated cathode in a vacuum tube.

Question 2: Who discovered the Seebeck Effect?

(a) Alessandro Volta
(b) Thomas Seebeck
(c) Albert Einstein
(d) Michael Faraday

Question 3: What is the unit of Seebeck coefficient?

(a) Volts (V)
(b) Ohms (Ω)
(c) Amperes (A)
(d) Volts per Kelvin (V/K)

Question 4: Which materials are commonly used in Seebeck Effect-based devices for power generation?

(a) Insulators
(b) Superconductors
(c) Semiconductors
(d) Conductors

Question 5: What is the primary application of the Seebeck Effect?

(a) Power generation
(b) Data transmission
(c) Radio communication
(d) Optical imaging

Question 6: In a thermocouple, what is the junction where the Seebeck Effect occurs called?

(a) Thermopile
(b) Thermistor
(c) Cold junction
(d) Hot junction

Question 7: Which law describes the relationship between the temperature gradient and the voltage generated by the Seebeck Effect?

(a) Ohm's Law
(b) Faraday's Law
(c) Newton's Law of Cooling
(d) Fourier's Law

Question 8: What happens to the Seebeck coefficient of a material when its temperature increases?

(a) Increases
(b) Decreases
(c) Remains constant
(d) Becomes zero

Question 9: Which of the following factors can improve the efficiency of a thermoelectric generator based on the Seebeck Effect?

(a) Increasing the temperature difference
(b) Using thicker conductors
(c) Reducing the number of thermocouples
(d) Decreasing the conductivity of the material

Question 10: What is the efficiency range of typical thermoelectric generators utilizing the Seebeck Effect?

(a) 5-10%
(b) 20-30%
(c) 50-60%
(d) 80-90%