Multimeter Activity

Multimeter Activity - could happen on a vehicle or piece of...

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Name: A EN 2013 – Agricultural Power Units Power Unit Measurement Techniques Laboratory Digital Multimeter Skill Ohmmeter & Continuity: NO CURRENT FLOW! Resistor Measurement Switch Test Ignition Coil Resistance: Continuity: DC & AC Voltage: Caution! Electrical Hazard! Battery Voltage (DC) Battery Voltage Drop (DC) Wall Outlet (AC) Choose the Correct Current Setting! Ammeter: Amps Check Identified Circuit: Record voltage and amperage at different points in each circuit failure Circuit Failure: Ohms Voltage Amps Drawing High Resistance Open Ground Short *Answer the questions on the back of this sheet.
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1. Give a “real-world” example of how each of the circuit failures created in the previous exercise
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Unformatted text preview: could happen on a vehicle or piece of farm machinery. 2. You are testing a 12-volt circuit and discover that a small bulb is drawing .8 amps of current. How many ohms of resistance is being created because of the bulb? 3. You have a riding lawnmower that has a 12-volt system on it. When you sit down to start the mowers engine, nothing happens when you turn the key. You have a multimeter that you can utilize to troubleshoot the problem. a. Where would you begin to make your checks with DC voltage? b. How would you progress from the starting point through the system? c. What would you check with the continuity setting?...
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Multimeter Activity - could happen on a vehicle or piece of...

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