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Ideally contact resistance should be low and stable, however weak contact pressure, mechanical vibration, and corrosion can alter contact resistance significantly, leading to resistive heating and circuit failure. Soldered joints can fail in many ways like electromigration and formation of brittle intermetallic layers. Some failures show only ...
Over many years of use the capacitance of the capacitor drops; this is known as a "weak capacitor". As a result, the motor may fail to start or to run at full power. When a motor is running during a lightning strike on the power grid, the run capacitor may be damaged or weakened by a voltage spike, thus requiring replacement.
Common early symptoms include frequent tripping and falling and difficulty going up stairs. Foot drop in one or both feet can occur. [14] Part of the cause for this dysfunction is the early involvement of the quadriceps muscles. [1] Weakness of the tibialis anterior muscle is responsible for foot drop. Another common early symptom is trouble ...
The most common symptoms of the disease "are balance and walking difficulties, clumsiness, vision changes, speech difficulties, swallowing difficulties and sometimes having difficulty controlling ...
Other symptoms of an adrenal crisis include severe fatigue, dizziness, diffuse limb and back pain, malaise, and weakness. [ 7 ] [ 6 ] Fever is a common sign of adrenal crisis resulting from either concurrent illness or the release of cytokines.
Ben Tarver’s night terrors were the first symptoms of Anti-NMDA Receptor Encephalitis, a rare autoimmune disorder that landed him in the ICU 29-Year-Old in ‘Catatonic State’ After Rare ...
Vapor lock is a problem caused by liquid fuel changing state to vapor while still in the fuel delivery system of gasoline-fueled internal combustion engines.This disrupts the operation of the fuel pump, causing loss of feed pressure to the carburetor or fuel injection system, resulting in transient loss of power or complete stalling.
Although it’s commonly called the stomach flu due to the shared symptoms, norovirus isn’t caused by the influenza virus. “You can get norovirus by accidentally getting tiny particles of ...