Where does the current come from that moves the needle on an analog clamp on ammeter?
A) The battery inside the meter
B) The meter uses a small amount of current from the circuit it is testing.
C) No current is required to move the needle on an analog ammeter.
D) The ammeter uses induction to produce a small electric current using the magnetic field surrounding the wire it is testing.
D
You might also like to view...
What measure of mothering ability is used for cows? Sheep? Swine?
What will be an ideal response?
What emission control system helps reduce the effect of engine blowby?
A) PCV B) EVAP C) SAI D) EGR
Technician A says that carbon should be cleaned out after installing a new EGR valve. Technician B cleans the EGR exhaust passages by using a stranded metal cable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What is the most common form of switching used for mechanical thermostats?
A) spring and bellows B) Magnets C) Mercury bulb D) Warped discs