A potential difference of 6v is used to produce a current...
A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is
4800 cal
6000 cal
2400J
240k cal
6000J
Correct answer is E
Heat energy = Elect. energy = Ivt
= 5 x 6 x 200
= 6,000J
Which of the following is required to convert a milliammeter to an ammeter? ...
Which of the following statements explain why hot soapy water is more effective in cleaning oil...
Which statement is a correct consequence of the uncertainly principle? ...
Which of the following radiations has it's frequency lower than that of infrared radiation? ...