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List of top Physics Questions asked in VITEEE
An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor of capacitance 2
$\mu$
F. The impedence of the circuit is
VITEEE - 2017
VITEEE
Physics
AC Voltage
The value of $\tan (90-\theta)$ in the graph gives :
VITEEE - 2017
VITEEE
Physics
elastic moduli
Resistances 1
$\Omega$
,2
$\Omega$
and 3
$\Omega$
are connected to form a triangle.If a 1.5 V cell of negligible internal resistance is connected across the 3
$\Omega$
resistor, the current flowing through this resistor will be
VITEEE - 2017
VITEEE
Physics
Resistance
The current in a coil of L = 40 mH is to be increased uniformly from 1A to 11 A in 4 milli sec. The induced e.m.f. will be
VITEEE - 2017
VITEEE
Physics
Electromagnetic induction
Kerosene oil rises up in a wick of a lantern because of
VITEEE - 2017
VITEEE
Physics
Surface tension
In shown fig, the circular loop of wire is moved with velocity towards the infinite current carrying wire. Then
VITEEE - 2016
VITEEE
Physics
Lenz law
If $i_1 = 3 \, \sin \, \omega t$ and $i_2 = 4 \, \cos \, \omega t$, then $i_3$ is
VITEEE - 2016
VITEEE
Physics
Electric Current
Hologram is based on phenomenon of
VITEEE - 2016
VITEEE
Physics
Photoelectric Effect
If the nuclear radius of $^{27}Al$ is 3.6 Fermi, the approximate nuclear radius of $^{64}Cu$ in Fermi is
VITEEE - 2016
VITEEE
Physics
Nuclear physics
For a current carrying inductor, emf associated is 20mV. Now, current through it changes from 6A to 2A in 2s. The coefficient of mutual inductance is
VITEEE - 2016
VITEEE
Physics
Inductance
A layer of oil with density
$724\, kg/m^3$
floats on water of density
$1000\, kg/m^3$
. A block floats at the oil-water interface with
$1/6$
of its volume in oil and
$5/6$
of its volume in water, as shown in the figure. What is the density of the block?
VITEEE - 2016
VITEEE
Physics
Hydrostatics
Which statement is correct for the given circuit?
VITEEE - 2016
VITEEE
Physics
Resistance
Two solenoids are given - 1st has 1 turn per unit length and 2nd has n turns per unit length. Ratio of magnetic fields at their centres is
VITEEE - 2016
VITEEE
Physics
Magnetic Field
Two point dipoles $p \hat{k}$ and $\frac{p}{2} \hat{k}$ are located at $(0,0,0)$ and $(1\, m , 0,2\, m )$ respectively. The resultant electric field due to the two dipoles at the point $(1 \,m , 0,0)$ is
VITEEE - 2016
VITEEE
Physics
Electric Dipole
The wavelength of an electron for transition from a state
$n_1$
to
$n_2$
is
$\frac{ 9}{8R}$
. Which of the following wavelengths is possible for a transition from
$n_2$
to
$n_1$
.
VITEEE - 2016
VITEEE
Physics
Hydrogen bonding
A (+)vely charged particle is placed near an infinitely long straight conductor where there is zero gravity. Then
VITEEE - 2016
VITEEE
Physics
Magnetic Field Due To A Current Element, Biot-Savart Law
A square current carrying loop is changed to a circular loop in time
$t_1$
. Then
VITEEE - 2016
VITEEE
Physics
Inductance
The current in an $L-R$ circuit builds up to $\left(3 / 4^{\text {th }}\right)$ of its steady state value in $4$ seconds. The time constant of this circuit is
VITEEE - 2016
VITEEE
Physics
LCR Circuit
In given circuit, all resistances are of
$10 \Omega$
. Current flowing through ammeter is
VITEEE - 2016
VITEEE
Physics
Resistance
A horizontal rod of mass
$0.01\,kg$
and length
$ 10\, cm $
is placed on a frictionless plane inclined at an angle
$60^{\circ}$
with the horizontal and with the length of rod parallel to the edge of the inclined plane. A uniform magnetic field is applied ?Vertically downwards. If the current through the rod is
$1.73\, A$
, then the value of magnetic field induction
$B$
for which the rod remains stationary on the inclined plane is
VITEEE - 2015
VITEEE
Physics
Current electricity
A
$30\,V-90\,W$
lamp is operated on a
$120\,V$
DC line. A resistor is connected in series with the lamp in order to glow it properly. The value of resistance is
VITEEE - 2015
VITEEE
Physics
Power
An n-type semiconductor is
VITEEE - 2015
VITEEE
Physics
band theory of solids
An electron of mass
$9.0 \times 10^{-31} kg$
under the action of a magnetic field moves in a circle of radius
$2\, cm$
at a speed of
$3 \times 10^6 \, m/s$
. If a proton of mass
$1.8 \times 10^{27} \, kg$
was to move in a circle of same radius in the same magnetic field, then its speed will become
VITEEE - 2015
VITEEE
Physics
Magnetic Force
A galvanometer with a scale divided into
$100$
equal divisions has a current sensitivity of
$10$
divisions per milliampere and a voltage sensitivity of
$2$
divisions per millivolt. The galvanometer resistance will be
VITEEE - 2015
VITEEE
Physics
Electrical Instruments
A current of
$2\,A$
is flowing in the sides of an equilateral triangle of side
$9\, cm$
. The magnetic field at the centroid of the triangle is
VITEEE - 2015
VITEEE
Physics
Magnetic Field Due To A Current Element, Biot-Savart Law
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