1
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

$\mathrm{L}, \mathrm{C}$ and R are connected in series to an a. c. source. Which one of the following is true?

Phase relation between current and voltage is such that

A
both are out of phase with each other in ' R '.
B
both are in phase in ' L ' and out of phase in ' $C$ '.
C
both are out of phase in ' L ' and in phase in 'C'.
D
both are out of phase in both ' C ' and ' L '.
2
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A bar of iron having magnetic moment $2.4 \mathrm{Am}^2$ weighs 66 g . If the density of the material of the bar is $7700 \mathrm{~kg} / \mathrm{m}^3$, the intensity of magnetisation in $\mathrm{Am}^{-1}$ is

A
$1.4 \times 10^5$
B
$2.8 \times 10^5$
C
$1.4 \times 10^4$
D
$2.8 \times 10^4$
3
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The error in the measurement of length and mass is $3 \%$ and $4 \%$ respectively. The error in the measurement of density will be

A
$6 \%$
B
$13 \%$
C
$9 \%$
D
$15 \%$
4
MHT CET 2025 26th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The potentiometer wire is 5 m long and potential difference of 4 V is maintained between the ends. The e.m.f. of the cell which balances against a length of 200 cm of the potentiometer wire is

A
0.4 V
B
0.8 V
C
1.2 V
D
1.6 V
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