1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In a meter bridge experiment, the circuit diagram and the corresponding observation table are shown in figure JEE Main 2019 (Online) 10th April Morning Slot Physics - Current Electricity Question 228 English
SI. No. R($$\Omega $$) l(cm)
1. 1000 60
2. 100 13
3. 10 1.5
4. 1 1.0
Which of the readings is inconsistent?
A
4
B
3
C
2
D
1
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In an experiment, the resistance of a material is plotted as a function of temperature (in some range). As shown in the figure, it is a straight line. One may conclude that : JEE Main 2019 (Online) 10th April Morning Slot Physics - Current Electricity Question 227 English
A
$$R(T) = {R_0}{e^{ - {T^2}/T_0^2}}$$
B
$$R(T) = {{{R_0}} \over {{T^2}}}$$
C
$$R(T) = {R_0}{e^{ {T^2}/T_0^2}}$$
D
$$R(T) = {R_0}{e^{ - T_0^2/{T^2}}}$$
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A moving coil galvanometer allows a full scale current of 10–4 A. A series resistance of 2 M$$\Omega $$ is required to convert the above galvanometer into a voltmeter of range 0-5 V. Therefore the value of shunt resistance required to convert the above galvanometer into an ammeter of range 0.10 mA is :
A
200 $$\Omega $$
B
500 $$\Omega $$
C
100 $$\Omega $$
D
None of the options are correct
4
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 225 English
A
1.5 $$\Omega $$
B
1 $$\Omega $$
C
0.5 $$\Omega $$
D
0 $$\Omega $$
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12