How much heat is needed to raise the temperature of 100.0 g of water by 50.0°C? (Water’s specific heat is 4.18 J/g•°C)
1 answer:
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Answer:
240 ohms
Explanation:
From Ohms law we deduce that V=IR and making R the subject of the formula then R=V/I where R is resistance, I is current and V is coltage across. Substituting 120 V for V and 0.5 A for A then
R=120/0.5=240 Ohms
Alternatively, resistance is equal to voltage squared divided by watts hence