A cell of e.m.f. 1.5V is connected in series with a resis...
A cell of e.m.f. 1.5V is connected in series with a resistor of resistance 39. A high-resistance voltmeter connected across the cell registers only 0.9V. Calculate the internal resistance of the cell
1.85Ω
2.0Ω
2.4Ω
4.5Ω
5.0Ω
Correct answer is B
No explanation has been provided for this answer.
A student wishes to measure the potential difference across a resistor,R. She has a galvanomete...
The process whereby the molecules of different substances move randomly is called? ...
The energy required to separate the nucleus in an atom completely is known as ...
Which of the following defects of vision is as a result of the eye ball being too long? ...