material, eg copper, has lower resistance than steel length - longer wires have greater resistance thickness - smaller diameter wires have greater resistance temperature - heating a wire increases ...

V_{tpd}\) can also be calculated as \(I R\) where \(R\) is the load resistance. Voltage is a measure of energy, and energy is always conserved. So the EMF \(E\) of a cell is equal to the sum of ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of elementary school physics canon. But the world is messier than a textbook. Scientists have sought to ...

Traditionally, condensed matter physics is split into "hard" condensed matter physics ... Current research projects include very basic topics (what is the resistance mechanism in thin-film ...

The Kerala SSLC Physics (Secondary School Leaving Certificate) Exam 2025 is a crucial milestone for Class 10 students in Kerala. The exam is over now. Among the various subjects, Physics is considered ...

Professor Ariando and Dr. Stephen Lin Er Chow from the National University of Singapore (NUS) Department of Physics have ...

A quantum breakthrough in strange metals could unlock energy-efficient superconductors, revolutionizing power grids.

Bacteria become resistant to antibiotics for many different reasons, including the misuse and overprescribing of medications, but a huge factor that fuels resistance is the microenvironment—the ...

It discusses how electricity is generated through the movement of electrons, the concepts of voltage, current, and resistance, and how these principles are utilized in electromagnetic generators ...

What is quantum physics? Put simply ... some materials are superconductors that allow current without electrical resistance, and why we can’t get this trick to work at room temperature.