... 1 - 3 CCNA 1: Networking Basics v 3. 0 - Lab 3. 1.5 Copyright 20 03, Cisco Systems, Inc. Battery Lab 3. 1.5 Series Circuits Switch Bulb ... with bulb bases or LEDs with resistors • 6v lantern battery 2 - 3 CCNA 1: Networking Basics v 3. 0 - Lab 3. 1.5 Copyright 20 03, Cisco Systems, Inc. Step 1 Measure the Resistances of all devices ... of Set Selector and Range Scale to Voltage Reading 6 V Lantern battery with no load Step 3 Build a series circuit Build a series circuit one device at a time. Use one battery, one switch,...