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प्रश्न
A constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if ______.
पर्याय
both the length and the radius of the wire are halved.
both the length and the radius of the wire are doubled.
the radius of the wire is doubled.
the length of the wire is doubled.
MCQ
रिकाम्या जागा भरा
उत्तर
A constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if both the length and the radius of the wire are doubled.
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Flow of Electric Charges in a Metallic Conductor
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