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Physics 12 Instructional Master
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270 Chapter 8 Magnetic Fields and Electromagnetism Copyright 2003 Nelson
Instructional Master
Ground-Fault InterruptorLSM 8.5-4
heaterelement
ground-fault
interrupter
AC generator
iron ring
sensingcoil
circuit breaker
magneticfieldlines
Figure 14Schematic of a ground-fault interrupter (for question 9)