RT Book, Section A1 Prentice, William E. A1 Quillen, William S. A1 Underwood, Frank SR Print(0) ID 8141194 T1 Appendix B T2 Therapeutic Modalities in Rehabilitation, 4e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-173769-2 LK accessphysiotherapy.mhmedical.com/content.aspx?aid=8141194 RD 2021/03/05 AB Table Graphic Jump LocationFavorite Table | Download (.pdf) | PrintMilliseconds (msec)=1/1000 of a secondMicroseconds (μsec)=1/1,000,000 of a secondNanosecond (nsec)=1/1,000,000,000 of a secondMilliamp (mA)=1/1000 of an ampereMicroamp (μA)=1/1,000,000 of an ampereAngstrom (Å)=1/10,000,000,000 of a meterNanometer (nm)=1/1,000,000,000 of a meterHertz (Hz)=1 cycle per secondKilohertz (KHz)=1000 cycles per secondMegahertz (MHz)=1,000,000 cycles per second