Monthly Archives: October 2011

College of Engineering & Management Kapurthala

College of Engineering & Management is situated in the district Kapurthala (Punjab) of India. Affiliated with: Punjab Technical University (PTU), Kapurthala Approved by: All India Council for Technical Education (AICTE), New Delhi. Courses offered: B.Tech. Computer Science Engineering Electronics and … Continue reading

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Chitkara Institute of Engineering & Technology, Patiala

Chitkara Institute of Engineering & Technology is situated in the district Patiala (Punjab) of India. Courses offered: B.Tech. Computer Science Engineering Electronics and Communication Engineering Electrical & Electronics Engineering Mechanical Engineering Eligibility for Admission in B.Tech. 10+2 Non-Medical (PCM) passed. … Continue reading

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Chandigarh engineering college Landran, Mohali

Chandigarh engineering college is situated in the tehsil Landran, city Mohali (Punjab) of India. Affiliated with: Punjab Technical University (PTU), Kapurthala Approved by: All India Council for Technical Education (AICTE), New Delhi. Courses offered: B.Tech. Computer Science Engineering Electronics and … Continue reading

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Cambridge Engineering College Fatehgarh Sahib

Cambridge Engineering College is situated in the city  Fatehgarh Sahib (Punjab) of India. Affiliated with: Punjab Technical University (PTU), Kapurthala Approved by: All India Council for Technical Education (AICTE), New Delhi. Courses offered: B.Tech. Computer Science Engineering Civil Engineering Electronics … Continue reading

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London equations: explanation of flux penetration

As we have already derived the London equations in last article. Now let us explain the flux penetration (Meissner effect) from London equations: To explain Meissner effect from London equations consider the differential form of Ampere’s circuital law: del x … Continue reading

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London equations in superconductors: derivation and discussion

London Equations: As discussed in the Meissner effect that one of the conditions of the superconducting state is that Magnetic flux density (B) = 0 inside the superconductors that is the magnetic flux cannot penetrate inside the superconductor. But experimentally … Continue reading

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Type I and Type II superconductors

Depending upon their behavior in an external magnetic field, superconductors are divided into two types: a) Type I superconductors and b) Type II superconductors Let us discuss them one by one: 1) Type I superconductors: a). Type I superconductors are … Continue reading

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Superconductors, critical temperature, critical magnetic field and Meissner effect

Superconductors: Superconductors are the materials whose conductivity tends to infinite as resistivity tends to zero at critical temperature (transition temperature). Critical temperature (Tc): The temperature at which a conductor becomes a superconductor is known as critical temperature. Critical Magnetic Field … Continue reading

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Bhutta College of Engineering and Technology Ludhiana

Bhutta College of Engineering and Technology is situated in the city Ludhiana “Manchester of India” (Punjab) of India. Affiliated with: Punjab Technical University (PTU), Kapurthala Approved by: All India Council for Technical Education (AICTE), New Delhi. Courses offered: B.Tech. Computer … Continue reading

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No signal can travel faster than the speed of the light

Proof that no signal can travel faster than the speed of the light. Solution: Method 1 As relativistic addition of velocity relation is already derived and from Addition of velocity relation u = (u’ + v)/ (1 + u’(v/c2)) Suppose … Continue reading

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