The potential difference between the terminals of a small heater is 4.2volt of resistance of heater is 30 ohm then heat produced in half minute in calories
Answers
Answered by
0
Answer:
H=4.2cal
Explanation:
potential difference(V)=4.2volt and resistance(R)=30ohm time taken(t)=1/2min=30sec and we know that heat produced(H)=V^2t/R in joule =V^2t/4.2R in calories
and therefore H=(4.2)^2*30/4.2*30=4.2cal
Similar questions
Math,
5 months ago
Math,
5 months ago
English,
5 months ago
English,
9 months ago
Social Sciences,
1 year ago
Social Sciences,
1 year ago