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प्रश्न
These days when current in the circuit suddenly increases _______ switches are used.
विकल्प
MCA
MCC
MCD
MCB
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उत्तर
These days when current in the circuit suddenly increases MCB switches are used.
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संबंधित प्रश्न
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Your teacher has shown you the following activity.

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| B | Thin plate | 6.0 | 6.33 |
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