Electricity meters work by continuously measuring the instantaneous voltage (volts) and current (amperes) and then finding the product of these to give instantaneous electrical power (watts) which is afterwards integrated against time to give energy used (joules, kilowatt-hours etc.).
Common causes of dizziness include inner-ear disorders, medications, and alcohol. Dizziness is often a result of vertigo. It can also be caused by a problem in the inner ear, where balance is regulated. The most common cause of vertigo and vertigo-related dizziness is benign paroxysmal positional vertigo (BPPV).izziness is not a disease but a symptom of other disorders. Vertigo and disequilibrium may cause a feeling of dizziness, but those two terms describe different symptoms. Vertigo is characterized by a feeling of spinning.
Other causes of dizziness. 1  Neurological conditions. 2  Some neurological disorders â such as Parkinson's disease and multiple sclerosis â can lead to progressive loss of balance. 3  Medications. 4  Dizziness can be a side effect of certain medications â such as anti-seizure drugs, antidepressants, sedatives and tranquilizers. Benign paroxysmal positional vertigo (BPPV). 2  This condition causes an intense and brief but false sense that you're spinning or moving. 3  These episodes are triggered by a rapid change in head movement, such as when you turn over in bed, sit up or experience a blow to the head. 4  BPPV is the most common cause of vertigo.