1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the given circuit, an ideal voltmeter connected across the 10$$\Omega $$ resistance reads 2V. The internal resistance r, of each cell is: JEE Main 2019 (Online) 10th April Morning Slot Physics - Current Electricity Question 245 English
A
1.5 $$\Omega $$
B
1 $$\Omega $$
C
0.5 $$\Omega $$
D
0 $$\Omega $$
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
n moles of an ideal gas with constant volume heat capcity CV undergo an isobaric expansion by certain volume. The ratio of the work done in the process, to the heat supplied is :
A
$${{nR} \over {{C_V} - nR}}$$
B
$${{4nR} \over {{C_V} - nR}}$$
C
$${{4nR} \over {{C_V} + nR}}$$
D
$${{nR} \over {{C_V} + nR}}$$
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