InterviewSolution
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InterviewSolution
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1. Take a cell and an electric bulb. 2. Take two electric wires of different colours of 10 cm each. 3. Remove the plastic coverings from the ends of the wires and join the wires with the help of insulating tape.4. In figure(a) the bulb is glowing but in figure (b) the bulb is not glowing.Why does this happen ? Discuss. |
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Answer» In figure (b) the terminals are connected wrong. Bulb will glow when red wire connected to positive terminal of cell and black wire connected to negative terminal of cell. |
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