What voltage is the power source in this circuit?

The source V2 is a 12 V DC supply (battery symbol).

What amperage fuse is used in the circuit?

U1 is labeled 15_AMP, a 15-amp fuse.

What is the load in this circuit?

S1, labeled DC_MOTOR_ARMATURE — a DC motor armature.

How is the switch operated in the simulation?

Switch J1 is labeled 'Key = A', meaning it is toggled with the 'A' keyboard key in the simulation software.

Where is the meter connected?

The multimeter XMM1 is wired in series in the circuit between the fuse output and the motor return path (nodes 5 and 6), consistent with a current (amp) measurement.

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12V DC Motor Circuit Simulation - 15A Fuse, Switch & Ammeter Test Diagram

Circuit schematic of 12V source, 15 amp fuse, multimeter and DC motor armature

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Electrical circuit schematic showing a 12V source, 15 amp fuse, multimeter, and DC motor armature.

AI caption January 2008 · Photo 448 of 484

This document is a screenshot of a computer-simulated electrical circuit (drawn in a schematic capture/simulation program such as Multisim) rather than a factory wiring diagram. It depicts a simple series DC circuit used to demonstrate how an ammeter measures current. The circuit consists of a 12-volt DC source (V2), a 15-amp fuse (U1, labeled 15_AMP), a switch (J1, actuated by the keyboard key 'A'), a multimeter instrument (XMM1) connected in the circuit, and a DC motor armature load (S1, labeled DC_MOTOR_ARMATURE). Wire segments are numbered 1, 2, 4, 5, and 6, showing the series path from the battery through the switch, fuse, meter, and motor and back to the battery. A reader can learn the basic layout of a fused, switched 12V motor circuit and how to place a multimeter/ammeter in series to measure current flow. The image appears to be part of a tutorial set (companion files reference fuse, source voltage, switch open/closed, and test voltage measurements) illustrating basic automotive electrical testing concepts, filed under a 1993 Ford Bronco gallery, though the diagram itself is generic and not vehicle-specific.

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Frequently asked questions

What voltage is the power source in this circuit?: The source V2 is a 12 V DC supply (battery symbol).
What amperage fuse is used in the circuit?: U1 is labeled 15_AMP, a 15-amp fuse.
What is the load in this circuit?: S1, labeled DC_MOTOR_ARMATURE — a DC motor armature.
How is the switch operated in the simulation?: Switch J1 is labeled 'Key = A', meaning it is toggled with the 'A' keyboard key in the simulation software.
Where is the meter connected?: The multimeter XMM1 is wired in series in the circuit between the fuse output and the motor return path (nodes 5 and 6), consistent with a current (amp) measurement.