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Test: BITSAT Mock Test- 2 - JEE MCQ


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150 Questions MCQ Test - Test: BITSAT Mock Test- 2

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Test: BITSAT Mock 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 Test: BITSAT Mock Test- 2 - Question 1

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

Z = [(8)^2 + (6)^2]^½

Z = [100]^½

Z = 10 ohm

Test: BITSAT Mock 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

Test: BITSAT Mock Test- 2 - Question 3

In which radioactive disintegration, neutron dissociates into proton and electron

Test: BITSAT Mock 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

Test: BITSAT Mock Test- 2 - Question 5

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

Test: BITSAT Mock Test- 2 - Question 6

An oxide coated filament is useful in vacuum tubes because essentially

Test: BITSAT Mock 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

Test: BITSAT Mock Test- 2 - Question 8

What is the unit of self inductance of a coil ?