terminology

Question 1

____: NRG exchange when 2 materials are touching each other

Answer 1

conduction

low freq

Question 2

___: heat transfer by circulating medium

Answer 2

Convection

used by ultra high freq x10^10

Question 3

___: conversion of a nonthermal form of NRG into heat

Answer 3

conversion

used by: high freq

Question 4

____: transfer of NRG from one material to antoerh without the need for direct contact or an intervening medium

Answer 4

radiation

Question 5

measure of resistance

Answer 5

ohm

Question 6

measurement of power

Answer 6

watt

Question 7

unit of current strength

Answer 7

ampere

Question 8

equation for Ohm’s law

Answer 8

volt/ Ohm = ampere

Question 9

Unit of speed

Answer 9

volt

Question 10

What measurement should be increased when there is a lot of scar tissue to go through

Answer 10

amp

Question 11

___: first thing that NRG goes through before it goes into the machine - protects from surge of NRG

Answer 11

fuse

Question 12

___: is the intensity control

Answer 12

rheostat

Question 13

____: fixes the problem in the machine and changes alternating current to direct current

Answer 13

rectifier

Question 14

___: step up and step down

- takes the voltage and lowers it – then takes it back up

Answer 14

transformer

Question 15

name the 3 portions of Joules Law

Answer 15

1. head is directly proportiona to intensity squared
2. different types of heat to different resistances
3. heat is directly proportional to time