There are several physical signs of stress, including: Muscle tension: Muscle tension brought on by stress can result in headaches, back or neck discomfort, and general body pains. Fatigue: Chronic stress can make you physically...
Archive - May 6, 2023
(a) Capacitors connected in parallel Figure shows three capacitors, C1, C2 and C3, connected in parallel with a supply voltage V applied across the arrangement. When the charging current I reaches point A it divides, some...
Alternative energy refers to energy sources which could replace coal, traditional gas and oil, all of which increase the atmospheric carbon when burned as fuel. Renewable energy implies that it is derived from a source which is...
The electromotive force (e.m.f.), E, of a cell is the p.d. between its terminals when it is not connected to a load (i.e. the cell is on ‘no load’). The e.m.f. of a cell is measured by using a high resistance voltmeter...
A meteorite is a solid chunk of space junk that crashes to the planet’s surface. It is a natural object that made it through the atmosphere of Earth and down to the earth. Depending on where in the solar system they came...
