1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A uniform metallic wire has a resistance of 18 $$\Omega $$ and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is -
A
12 $$\Omega $$
B
2 $$\Omega $$
C
4 $$\Omega $$
D
8 $$\Omega $$
2
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is -
A
0.4 mA
B
20 mA
C
63 mA
D
100 mA
3
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the given circuit the cells have zero internal resistance. The currents (in Amperes) passing through resistance R1 and R2 respectively, are -

JEE Main 2019 (Online) 10th January Morning Slot Physics - Current Electricity Question 256 English
A
0.5, 0
B
0, 1
C
1, 2
D
2, 2
4
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A potentiometer wire AB having length L and resistance 12 r is joined to a cell D of emf $$\varepsilon $$ and internal resistance r. A cell C having emf $$\varepsilon $$/2 and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in figure shows no deflection is –

JEE Main 2019 (Online) 10th January Morning Slot Physics - Current Electricity Question 255 English
A
$${{11} \over {12}}L$$
B
$${{13} \over {24}}L$$
C
$${{5} \over {12}}L$$
D
$${{11} \over {24}}L$$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12