If you wanted to monitor a large alternating current without opening the circuit you would likely use a ________.
A) current-sensing inductor B) current transformer
C) step-down transformer D) any of the above
Question 2
If a resistor that is color coded yellow-violet-red is placed across a 25 V source voltage, what value resistor and wattage rating could be used?
A) 4700 , 1/4 W B) 470 , 1/2 W C) 47000 , 1/4 W D) 4700 , 1/8 W