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1
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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 :

JEE Main 2019 (Online) 9th January Evening Slot Physics - Current Electricity Question 258 English
A
300 $$\Omega $$
B
450 $$\Omega $$
C
550 $$\Omega $$
D
230 $$\Omega $$
2
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A carbon resistance has a following colour code. What is the value of the resistance ?

JEE Main 2019 (Online) 9th January Evening Slot Physics - Current Electricity Question 259 English
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
MCQ (Single Correct Answer)
+4
-1
Change Language
When the switch S, in the circuit shown, is closed, then the value of current i will be :

JEE Main 2019 (Online) 9th January Morning Slot Physics - Current Electricity Question 262 English
A
3A
B
5A
C
4A
D
2A
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A resistance is shown in the figure. Its value and tolerance are given respectively by :

JEE Main 2019 (Online) 9th January Morning Slot Physics - Current Electricity Question 261 English
A
270 $$\Omega $$, 10 %
B
27 k$$\Omega $$, 10 %
C
27 k$$\Omega $$, 20 %
D
270 $$\Omega $$, 5 %
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