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प्रश्न
Which material is the calorimeter commonly made of? Give one reason for using this material.
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उत्तर
Copper. It is good conductor of heat.
संबंधित प्रश्न
Which particles are responsible for current in conductors?
When a current of 4.0 A passes through a certain resistor for 10 minutes, 2.88 × 104 J of heat are produced. Calculate
the power of the resistor.
the voltage across the resistor.
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Define electric power. An electrical device of resistance R is connected across a source of voltage V and draws a current I. Derive an expression for power in terms of current and resistance.
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A electric bulb is rate 220 V, 60 W. its electric cell resistance is nearly
