Banasthali Vidyapeeth Previous Year Papers

Will you please provide here the sample paper of the BTECH entrance examination of the Banasthali Vidyapeeth as I am searching for the same ?

[Arun Vats]

As you want I am here providing you sample paper of the BTECH entrance examination of the Banasthali Vidyapeeth.

Sample paper :

1.Which of the following is not an electro magnetic wave
a) x-rays b) alpha-rays c) gamma-rays d)
light rays
2.Electro magnetic waves of wave length ranging from 100Åto 4000Å come under
a) x-rays b) UV region c) visible region d)
infra-red region
3.Electro magnetic theory suggests that the light consists of
a) magnetic vector alone b) electric vector alone c) electric
and magnetic vectors perpendicular to each other. d) parallel electric and magnetic
vector
4.The frequency of radio waves corresponding to a wave length of 10 m is
a) 3×107Hz b) 3.3×108Hz c) 3×109Hz d)
3×10−7Hz
5.The electromagnetic waves travel with velocity of
a) sound b) light c) greater than that of light d)
greater than that of sound
6.The existence of EM waves were experimentally confirmed by
a) Maxwell b) Faraday c) Hertz d)
Tesla
7.The back emf in a DC motor is maximum when
a) the motor has picked up maximum speed b) the motor has just
started moving c) the speed of motor is still on increase d) the motor has
just been switched off
8.AC measuring instrument measures
a) peak value b) rms value c) any value d)
average value
9.The Q-factor of a resonant circuit is equal to
a) 1CWR b) 1WL c) CWR d) fCW
10.In a step-down transformer, the number of turns in
a) Primary are less b) Primary are more c) Primary
and secondary equal d) secondary are infinite
11.In AC circuits choke is preferred to resistors because
a) choke coil is cheap b) voltage increases c) energy
is not wasted d) current increases
12.A choke is used as resistance in
a) AC circuits b) DC circuits c) half-wave rectifier
circuits d) both AC and DC circuits
13.The frequency of AC mains in India is
a) 110 C/S b) 50 C/S c) 60 C/S d) 120
C/S
14.A transformer works on
a) DC only b) AC only c) both AC and DC d)
high voltage only
15.Alternating voltage
a) is independent of time b) varies directly with time c) varies
inversely with time d) varies sinusoidaly with time
16.The law of electromagnetic induction have been used in the construction of
a) electric operator b) electric motor c) galvanomet d)
none of the above
18.The rms value of current (Irms) is
a) b/2 b) 2Io c) ω d) 2I0
19.In a purely inductive circuit the current
a) is in phase with the voltage b) is out of phase with the voltage c)
eads the voltage by 900 d) lags behind the voltage by 900
20.A lamp is connected in a series with a capacitor and an ac source, what happens if the capacity of the
capacitor is reduced?
a) the lamp shines more brightly b) the lamp shines less brightly c)
there is no change in the brightness of the lamp d) brightness may increase or
decrease depending on the frequency of ac
21.A transformer is a device which converts
a) low voltage low current into high voltage high current b) high voltage low
current into low voltage high current c) high voltage high current into low voltage low
current d) electric power into mechanical power
22.The resonant frequency of an LC circuit is
a) 1/2πLC b) 12πLC c) 12πL/C d) 12πC/L
23.If the conductance and capacitance are both doubled in LCR circuit, the resonant frequency of the
circuit will
a) decrease to one half the original value b) decrease to one-forth the
original value c) increase to twice the original value d) decrease to
twice the original value
24.The power factor in an LCR circuit at resonance is
a) zero b) 1 c) 0.8 d) 1/2
25.The power factor in a circuit is unity. Then the impedance of the circuit is
a) inductive b) capertive c) partially inductive and
partially conductive d) resistive
26.One complete set of negative and positive values of alternating quantities is called
a) time period b) amplitude c) frequency d)
cycle
27.The instantaneous value of an ac is given by 1=5sin(wt+φ). The rms value of current is
a) SA b) 2×SA c) S/2A d) 2.5A
28.Inductive reactance of a coil expressed as
a) Ampere b) ohm c) volt d) weber
29.The average value of alternating current over a complete cycle is
a) zero b) 1 rms c) i/2 d) i/2
30.A induction may store energy in
a) Its electric field b) Its coils c) Its magnetic field d)
Both electric and magnetic fields
31.Two different coils have self inductance 8mH and 2mH. The current in both coils are increased at
same constant rate. The ratio of the induced emfs in the coil is
a) 4:1 b) 1:4 c) 1:2 d) 2:1
32.A coil of resistance 5Ω and inductance 4H is connected to a 10V battery. The energy stored in the coil
a) 0.8J b) 8J c) 16J d) 4J