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Q. Give any two differences among Peltier effect and Joule's law of heating.
Joule's law of heating
Peltier effect
Takes place all through the conductor.
Occurs at the junctions.
Heat produced is proportional to the square of the current.
Heat produced or else absorbed is proportional to the current.
Irreversible process.
Reversible process
Type of magnetic materials Uses and examples
retardation?
Q. In the given circuit, calculate the current through the circuit and mention its direction. Let the current be I. 7 I + 3 I + 5I + 5 I = 10 + 8 - 2 (i.e) 20 I = 1
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What is the size of an atom?What is the size of an atom?What is the size of an atom?What is the size of an atom?What is the size of an atom?What is the size of an atom?
Hall Effect may be used for which of the following? (A) Determining whether the semiconductor is p or n type. (B) Determining the carrier concentration. (C) Calculat
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Some experiments with soap films Make the following forms from wire. Dip the several forms in the thick soap solution and view the films. Dip the wire form with the slider i
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