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Heating and Chemical Effect of Current — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsHeating and Chemical Effect of Current1 Mark
Question

A constant voltage is applied between the two ends of a metallic wire. If both the length and the radius of the wire are doubled, the rate of heat developed in the wire

(a) Will be doubled

(b) Will be halved

(c) Will remain the same

(d) Will be quadrupled
✓

Answer

(a) Will be doubled

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