1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The function of dielectric in a capacitor is

A
to reduce the effective potential on plates.
B
to increase the effective potential on plates.
C
to decrease the capacitance.
D
to reduce the plate area of capacitor.
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Three identical metal spheres (of same surface area) have red, black and white colors and they are heated up to same temperature. They are allowed to cool. Arrange them from maximum rate of cooling to minimum rate of cooling

A
black, red, white
B
white, red, black,
C
red, black, white
D
red, white, black
3
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In an ammeter, $4 \%$ of the main current is passing through the galvanometer, If shunt resistance is $5 \Omega$, then resistance of galvanometer will be

A
$60 \Omega$
B
$120 \Omega$
C
$240 \Omega$
D
$480 \Omega$
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

LC series resonant circuit produces resonant frequency ' $f$ '. If ' $L$ ' is tripled and ' $C$ ' is increased by $3 C$, the resonant frequency will be

A
$\frac{\mathrm{f}}{3}$
B
$\frac{\mathrm{f}}{2 \sqrt{3}}$
C
$\mathrm{6 f}$
D
$\frac{\mathrm{f}}{2 \sqrt{2}}$
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