Electrical Engineering Material

1. ELECTRICAL ENGINEERING
MATERIALS: CONDUCTING &
SUPERCONDUCTING MATERIALS
MR. ASIF L. JAMADAR

2. SUPERCONDUCTIVITY
(SUPERCONDUCTING MATERIALS)
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 What is superconductivity?
 Resistance of mercury as a function of temperature
 Variation of electrical resistance w.r.t. temperature

3. MEISSNER EFFECT
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 What is Meissner Effect
 Meissner effect is one of the symbol of superconductivity

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 We know, B = μ0 (H + M)
 One of the Maxwell’s equation is
 And ohm’s law
Effect of Magnetic Field
 According to the parabolic law,

5. TYPES OF SUPERCONDUCTORS
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 From the magnetic properties, the superconductors are classified into two
groups
1. Type-I Superconductor
2. Type-II Superconductor

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 Field verses temperature curve for
type-II superconductor
Other properties of Superconducting
Materials
 Frequency Effect
 Entropy
 Thermal Conductivity
 Isotope Effect

7. SUPERCONDUCTING MATERIALS
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8. APPLICATION OF SUPERCONDUCTING MATERIALS
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 Application interest of superconducting materials
 Superconducting magnet technology
 Superconductivity in the field of electronics
 Superconducting wires
 Different application fields of superconducting magnets
 Cryotrons

9. THANK
YOU
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