Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use an ohmmeter [title] Disconnect completely and/or turn off all power to the circuit you are testing. [step] You must have a completely dead wire or circuit in order to ensure accuracy in measurement, as well as your own safety. Your ohmmeter will supply the voltage and current for your circuit so no other power is necessary.

Ending1: [title] Use a screw-driver to raise or lower the circuit. [step] There are two basic types of ohms : [substeps] Standard ohms with either the top or bottom end oriented sideways in the direction of they are facing. Ending2: [title] Place ohmmeters on top of each other. [step] Keep at least two plugs in each pvc pipe. Ending3: [title] Insert the ohmmeter and turn the dial in clockwise direction to get a reading between 195 and 19100 volts. [step] This reading will most likely indicate your meter is dead. Ending4: As the instructions for our blue point volt/ohmmeter state, testing a powered circuit can " cause damage to the meter, circuit, and * you *. " [title] Select an ohmmeter suitable for your project.

Answer format: ending1/ending2/ending3/ending4