Lowers Recommended Lead-Level Limits in Children. For the first time in 20 years, federal health authorities have lowered the recommended limit for lead exposure in young children, which they say could add 200,000 children to those believed to have unsafe lead levels in their blood.
Electrical Units of Measure. The standard SI units used for the measurement of voltage, current and resistance are the Volt [ V ], Ampere [ A ] and Ohm [ Ï ] respectively.
the standard unit of magnetic flux and magnetic pole strength in the International System of Units (SI), equal to a flux that produces an electromotive force of one volt in a single turn of wire when the flux is uniformly reduced to zero in a period of one second; 10 8 maxwells.