What is a bulb? Mention two main conditions necessary to make the bulb glow. fast
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(i) There should be an electrical source, i.e., one or more electric cells connected to a circuit. (ii) There should not be any gaps or discontinuity in the wires connected to the circuit. (iii) The switch connected to the circuit should be kept closed.
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an electric circuit, the direction of current is taken to be from the positive to the negative terminal of the electric cell as shown
electric circuit, the direction of current is taken to be from the positive to the negative terminal of the electric cell as shown When the terminals of the bulb are connected with that of the electric cell by wires, the current passes through the filament of the bulb. This makes the bulb glow.
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