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प्रश्न
You are provided with a magnetic compass, an empty matchbox, a battery of two cells and connecting wires. Using these objects, how will you make a tester for testing an electric circuit? Draw the necessary circuit diagram and explain.
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उत्तर

Whenever current flows through the circuit the magnetic compass needle shows deflection due to magnetic effect of current.
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संबंधित प्रश्न
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| Boojho's Experiment | Paheli's Experiment |
| (A) | (B) |
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|
(a) |
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______ |
|
(b) |
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______ |
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(c) |
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______ |
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(d) |
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______ |
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