Figure 1.4A bulb, motor and battery – heat, magnetic and chemical effects
The heating effect is the basis of electrical components such as lights and heater
plugs. The magnetic effect is the basis of relays and motors and generators. The
chemical effect is the basis for electroplating and battery charging.
In the circuit shown in Figure 1.4 the chemical energy of the battery is rst
converted to electrical energy, and then into heat energy in the lamp lament.
The three electrical effects are reversible. Heat applied to ...
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