in which circuit will the bulb light up? Why?
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in which circuit will the bulb light up? Why?
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Answer
Both the metal casing and tip of the bulb are connected to the circuit, forming a closed circuit. Thus, electricity is able to flow through the wires in the circuit to the filament, allowing the bulb to light up.
2.When a light bulb connects to an electrical power supply, an electrical current flows from one metal contact to the other. As the current travels through the wires and the filament, the filament heats up to the point where it begins to emit photons, which are small packets of visible light.
3.When an electric current ( I ) passes through the coil, the electromagnetic field created around it reacts against the permanent magnetic field producing a deflecting torque that causes it to move. A pointer or needle attached to the coil indicates the amount of deflection,
Explanation:
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