Electricity HVAC Exam Questions with Answers All Correct

Electricity HVAC Exam Questions with Answers All Correct how much resistance must be placed in 120V curcuit in order to limit the current to 2Amps - Answer-60 Ohms when current flows in a 2 wire circuit such as 120v, if a clamp on amp meter is clamped around both wires what measurment would you expect. - Answer-0 amps - due to cancellation of 2 fields Current flow is? - Answer-The flow of electrons in the circuit. What is the symbol for impedence in an AC CIrcuit. - Answer-Z Impedence is? - Answer-Oppostion to Alternating current flow. If contacts become badly pitted, it is acceptable to? - Answer-Replace the contacts or control. Relays are generally used to control inductive loads up to? - Answer-10 Amps When resistors are wired in parallel: - Answer-The voltage drop across each resistor will be the same as the applied source voltage. Contactors are rated according to the maximum amperage through the? - Answer-Contacts. The ________ Drawing illustrates where the components are located in small appliances - Answer-Pictorial When the Positive Temp coeffiecent thermistor increases, its resistance will - Answer-Increase