1
KCET 2017
MCQ (Single Correct Answer)
+1
-0

Of the following graphs, the one that correctly represents the $I-V$ characteristics of a 'Ohmic device' is

A
KCET 2017 Physics - Current Electricity Question 2 English Option 1
B
KCET 2017 Physics - Current Electricity Question 2 English Option 2
C
KCET 2017 Physics - Current Electricity Question 2 English Option 3
D
KCET 2017 Physics - Current Electricity Question 2 English Option 4
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The susceptibility of a ferromagnetic substance is
A
Zero
B
$>1$
C
$<1$
D
$\gg 1$
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The working of magnetic braking of trains is based on
A
eddy current
B
pulsating current
C
alternating current
D
steady current
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
A substance of mass 49.53 g occupies $1.5 \mathrm{~cm}^3$ of volume. The density of the substance (in $\mathrm{g} \mathrm{cm}^{-3}$ ) with correct number of significant figures is
A
3.3
B
3.300
C
3.302
D
33.0
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