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BITSAT Practice Test - 2 - JEE MCQ


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130 Questions MCQ Test BITSAT Mock Tests Series & Past Year Papers 2024 - BITSAT Practice Test - 2

BITSAT Practice Test - 2 for JEE 2024 is part of BITSAT Mock Tests Series & Past Year Papers 2024 preparation. The BITSAT Practice Test - 2 questions and answers have been prepared according to the JEE exam syllabus.The BITSAT Practice Test - 2 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for BITSAT Practice Test - 2 below.
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BITSAT Practice Test - 2 - Question 1

If an 8Ω resistance and 6Ω reactance are present in an AC series circuit then the impedence of the circuit will be

Detailed Solution for BITSAT Practice Test - 2 - Question 1

Solution :- Z^2 = R^2 + X^2

Z = [(8)^2 + (6)^2]^½

Z = [100]^½

Z = 10 ohm

BITSAT Practice Test - 2 - Question 2

If the energy of hydrogen atom in ground state is -13.6 eV, then its energy in the first excited state will be

BITSAT Practice Test - 2 - Question 3

In which radioactive disintegration, neutron dissociates into proton and electron

BITSAT Practice Test - 2 - Question 4

The resistance of an ammeter is 13 Ω and its scale is graduated for a current upto 100A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750A by this meter. The value of shunt resistance is

BITSAT Practice Test - 2 - Question 5

The appropriate material to be used in the construction of resistance boxes out the following is

Detailed Solution for BITSAT Practice Test - 2 - Question 5

Manganin is used in making the resistance coils as its temperature coefficient is least. due to less temperature coefficient of Manganin there is no appreciable change in resistance with temperature.Hence it is best material to use for making of resistance boxes.

BITSAT Practice Test - 2 - Question 6

An oxide coated filament is useful in vacuum tubes because essentially

BITSAT Practice Test - 2 - Question 7

In Thomson experiment of finding e/m for electrons, beam of electron is replaced by that of muons (particle with same charge as of electrons but mass 208 times that of electrons). No deflection condition in this case satisfied if

BITSAT Practice Test - 2 - Question 8

What is the unit of self inductance of a coil ?

BITSAT Practice Test - 2 - Question 9

A 40μF capacitor in a defibrillator is charged to 3000V.The energy stored in the capacitor is set through the patient during a pulse of duration 2ms, The power delivered to the patient is :

Detailed Solution for BITSAT Practice Test - 2 - Question 9

BITSAT Practice Test - 2 - Question 10

The capacitance of a parallel plate capacitor is 10 μF when distance between its plates is 8 cm. If distance between the plates is reduced to 4 cm, its capacitance will be

Detailed Solution for BITSAT Practice Test - 2 - Question 10

BITSAT Practice Test - 2 - Question 11

Pulling force making an angle θ to the horizontal is applied on a block of weight W placed on a horizontal table. If the angle of friction is α. then the magnitude of force required to move the body is equal to

Detailed Solution for BITSAT Practice Test - 2 - Question 11

BITSAT Practice Test - 2 - Question 12

A satellite whose mass is M, is revolving in circular orbit of radius r aroud the earth. Time of revolution of satellite is

Detailed Solution for BITSAT Practice Test - 2 - Question 12

Correct Answer : a

Explanation : Let the satellite of mass ms is revolving around the Earth of mass me at a distance of r then the centripetal force will be given by: 

Fc = msv2/r 

where v is velocity of satellite. This force is equal to gravitational force between satellite and earth. Therefore

(msv2)/r = (Gmsme)/r2

v = (Gme/r)1/2

Now, period of the satellite is given by:

T = 2πr/v 

= 2π(r3/Gme)1/2

​{2π is constant}

Therefore T is proportional to  2π(r3/Gme)1/2

BITSAT Practice Test - 2 - Question 13

0.1m3 of water at 80o C is mixed with 0.3m3 of water at 60o C . The final temperature of the mixture is

BITSAT Practice Test - 2 - Question 14

At a given volume and temperture, the pressure of a gas

BITSAT Practice Test - 2 - Question 15

A cyclotron oscillator frequency is 10 MHz. If radius of its dees 60 cm, then magnetic field for accelerating the protons is (Given e = 1.6 x 10-19C, mp = 1.67 x 10-27 kg)