EASY
12th West Bengal Board
IMPORTANT
Earn 100
Define the term 'thermoelectric power of a thermocouple'. Draw the curve to show the variation of thermoelectric power with the variation of the temperature of hot junction of the thermocouple keeping cold junction at .
Important Questions on Thermal Effect and Chemical Effect of Current
MEDIUM
12th West Bengal Board
IMPORTANT
What do you understand by Seebeck effect, Peltier effect and Thomson effect.
HARD
12th West Bengal Board
IMPORTANT
State the two laws of thermoelectric circuit and explain them.
EASY
12th West Bengal Board
IMPORTANT
Prove that inversion temperature is always as much above the neutral temperature as the cold junction is below it.
MEDIUM
12th West Bengal Board
IMPORTANT
What do you mean by Peltier effect? What is the difference between Joule effect and Peltier effect? Mention one practical application of Peltier effect.
MEDIUM
12th West Bengal Board
IMPORTANT
What is a thermocouple? Give two application of thermocouple. If the temperature of the cold junction of a thermocouple is lowered, what will be the effect on its 'neutral temperature' and 'temperature of inversion'?
MEDIUM
12th West Bengal Board
IMPORTANT
How can you explain the thermoelectric current and the Peltier effect from the assumption that every metal contains free electrons.
EASY
12th West Bengal Board
IMPORTANT
State and explain Faraday's laws of electrolysis.
MEDIUM
12th West Bengal Board
IMPORTANT
Obtain from Faraday's laws of electrolysis the relation between electrochemical equivalent and chemical equivalent of an element.
