The term emf is known as alternating voltage and can be made visible on an instrument known as an ____.
a. oscilloscope
b. oscillometer
c. alternating scope
d. alternate voltmeter
a. oscilloscope
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Very thin layers of skin from goats have been used for years to treat severe burns in humans
Indicate whether the statement is true or false
NEC 430.32(B) (1) states that any motor of 1 hp or less that is started automatically shall have a separate ____________________ device that is responsive to the motor current.
Fill in the blank(s) with the appropriate word(s).
Flexible cords used in hazardous (classified) locations for connection of portable utilization equipment (including lamps operating at more than 8 volts between conductors) shall be of a type approved for ____.
A. damp conditions B. peak voltages C. extra-hard usage D. current surges
Slabs built above grade are most commonly used in basements.
Answer the following statement true (T) or false (F)