A.Ohms law
B.Stefan-Boltzmans law
C.Seebeck effect
D.Joule heating effect.
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- Increase in the length of neck and fore legs in African giraffe was explained by Lamarck due to the fact that ancient giraffes stretched their neck and fore legs generation after generation and the character acquired as a result of use was inherited. Darwin also explained the phenomenon. Can you point out the way in which Darwin described it:
- In a thermocouple, the potential between the two junctions is due to the temperature gradient along the conductors in the circuit. This effect is named as
- Thermionic converters are based on
- Which of the following method can be used for heating wood?
- The change in temperature resulting from a gas expanding from one constant pressure, with no heat transfer and no external work other than to maintain the constant pressure is known as
- At night, low clouds __________?
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- Th phenomenon of emf development between two diferent metals placed in contact is known as
- If a closed circuit is made of two dissimilar metals, an electric current flows in the circuit whdn the two junctions are maintained at different temperatures. This phenomenon is known as
