Which of the following ignition sources can typically result from electrical problems in a vehicle?

Hot surfaces can indeed result from electrical problems in a vehicle due to the generation of heat caused by electrical resistance, overloading, or faulty wiring. When electrical components malfunction or become damaged, they can create excessive heat, which may lead to nearby surfaces reaching ignition temperatures. These hot surfaces can ignite flammable materials nearby, such as upholstery or fluids, potentially leading to a fire.

While friction, open flames, and mechanical sparks are potential ignition sources in various contexts, they are not as directly associated with electrical faults in a vehicle as hot surfaces are. Friction typically refers to the physical rubbing between surfaces, open flames are usually involved in combustion processes, and mechanical sparks usually arise from moving parts colliding under force or stress. In contrast, electrical issues manifest predominantly through overheating, making hot surfaces the most relevant ignition source in this scenario.