1
JEE Main 2019 (Online) 9th January Evening Slot
+4
-1
In the given circuit the the internal resistance of the 18 V cell is negligible. If R1 = 400 $$\Omega$$, R3 = 100 $$\Omega$$ and R4 = 500 $$\Omega$$ and the reading of an ideal voltmeter across R4 is 5V, then the value of R2 will be :

A
300 $$\Omega$$
B
450 $$\Omega$$
C
550 $$\Omega$$
D
230 $$\Omega$$
2
JEE Main 2019 (Online) 9th January Evening Slot
+4
-1
A carbon resistance has a following colour code. What is the value of the resistance ?

A
530 k$$\Omega$$ $$\pm$$ 5%
B
5.3 M$$\Omega$$ $$\pm$$ 5%
C
6.4 M$$\Omega$$ $$\pm$$ 5%
D
64 k$$\Omega$$ $$\pm$$ 10%
3
JEE Main 2019 (Online) 9th January Morning Slot
+4
-1
When the switch S, in the circuit shown, is closed, then the value of current i will be :

A
3A
B
5A
C
4A
D
2A
4
JEE Main 2019 (Online) 9th January Morning Slot
+4
-1
A resistance is shown in the figure. Its value and tolerance are given respectively by :

A
270 $$\Omega$$, 10 %
B
27 k$$\Omega$$, 10 %
C
27 k$$\Omega$$, 20 %
D
270 $$\Omega$$, 5 %
JEE Main Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
EXAM MAP
Joint Entrance Examination