RRB JE Electronics 01 Sep 2019 (Shift 2) Official Paper (Previous Year Paper)

What is the difference between a 7400 and a 7411 IC?

Noise factor of a system is defined as:

In Smart India Hackathon 2019, students of __________ came out with a Solution to Detect Fake Notes.

The number of distinct Boolean expressions of four variables is-

Tundra ecosystem is an example of-

The name of group 17 elements is-

The process of producing chemical decomposition of a compound by passing electricity through the compound is called-

Bengal famine occurred in the year _________.

Which of the following types is best suited to represent the logical values? 

Which of the following initialization statement store six integer values in array?

The primary colour used in colour television is-

A computer modem's rating of 56 K refers to its-

What is the characteristic of a master-slave flip-flop?

Who among the following was the tenth Sikh Guru?

Which is NOT a control instruction? 

Vikramshila Gangetic Dolphin Sanctuary is located in which of the following states of India?

Air blast circuit breaker is operated at a pressure of-

Linear meter with a 1% of full scale accuracy should have __________ on the 1 V range . 

A function which calls itself is called a

What is the forbidden energy gap in a pure conductor?

Two ampere hour (Ah) is equal to how many Coulombs?

The amplifier which retains the shape of the input signal at the output are called-

Which of the following oscillators uses a capacitive voltage divider to provide feedback? 

If a capacitor stores 0.12 C at 10 V, then its capacitance is-

What is the phase difference between output and input voltage of a CE amplifier?

MAC address is written in which format?

If the pH of solution is 13, this means that it is-

Which of these is NOT an ideal way of spreading viruses?

The property of material by which it can be rolled into sheets is called-

Which of the following is NOT a solution for global warming?

Tropical Forest Research Institute is located in the state of-

What type of nuclear reaction is responsible for liberation of energy in the nuclear reactor?

In order for an output to swing above and below a zero reference, the op-amp circuit requires-

Which of the following elements is having one electron in the outermost orbit?

An electronic component consisting of two conductor plates separated by empty space and capable of storing a certain amount of charge is known as-

In a CRO which of the following is/are part of electron gun?

Which of the following function sets first n characters of a string to a given character?

Hall effect device can be used to-

For a certain load, the true power is 100 W and the reactive power is 100 VAR. What is the apparent power?

PAM signals can be demodulated by using a-

In electron tube, vacuum diode is made to work in-

A circuit whose output is proportional to the difference between the input signals is considered to be which type of amplifier?

FET is a device which has:

When does the circuit breaker automatically operate in the line? 

Which of the following technique(s) used in networking?

The number of valence electrons of the element silicon with atomic number 14 is-

Register which is used to store values of arithmetic and logical operations is termed: 

Calculate the formula unit mass of CaCl₂.

Which of the following statement provides an easy way to dispatch execution to different parts of code based on the value of the expression? 

Which of the following is NOT a type of network?

Aluminium ore is known as-

Which of the given units are NOT derived Units?

Which of the following is a solderless device for temporary prototype with electronics and test circuit designs?

__________ states that the total outward electrical displacement through any closed surface surrounding charges is equal to the total charge enclosed. 

Which of these software applications was NOT part of the first version of Microsoft Office?

Which is not considered as a linear voltage regulator?

Transistors used as power amplifiers are generally mounted on a metallic plate so as to-

ISP exchanges internet traffic between their networks by-

The basic building block of sequential logic circuit is-

India Population Project (IPP)-VIII was aimed at-

Which of the following is a linear data structure? 

On which of the following river banks is the city of Nasik located?

The number of comparator circuits required to build a three - bit simultaneous A/D convertor is:

The amount of heat energy that is required to change 1 kg of a solid into liquid at atmospheric pressure at its melting point is known as-

Which of the following type of network is used to cover small geographical area?

Which of the following is the most common device that accepts letters, numbers and command from a user?

Which of the following is the main application of Zener diode?

A comparison of frequency division and time division multiplexing systems shows that-

The circular rings of copper on the PCB for making solder connections of component leads are called-

Which of the following statement is FALSE?

1. In a concave mirror, the centre of curvature is in front of the mirror.
2. Convex mirror is bulged outside.
3. In a convex mirror, the centre of curvature is in front of the mirror.
4. Concave mirror is bulged outside.

What is the full form of SMTP? 

A single flip-flop is a modulo __________ counter.

Who among the following laid the foundation of Qutub Minar at Delhi?

Which of the following expression will delete the entire array pointed to by q?

What is the theme of National Productivity Council in 2019?

The removal of carbon dioxide from the earth's atmosphere and the provision of long term storage of carbon in the terrestrial biosphere is known as-

What is the work done to move a unit charge from one point to another in an electric circuit carrying some current, between those two points? 

In a stack, we can access the element-

__________ is the process of overgrowth of plants and algae in lakes. 

In which of the following periods was the Second World War fought?

A bridge type full wave rectifier requires-

Single-bit indicators that may be set or clear to show the results of logical or arithmetic operations are the-

The antenna which provides circularly polarized waves is

Which of the following fruits was declared as the State fruit of Tripura in June 2018?

A dipole carries RMS current of about 300 A across the radiation resistance 2 Ω. What would be the power radiated by an antenna?

If link transmits 2000 frames per second, and each slot has 16 bits, then the transmission rate of circuit of TDM is-

Potato chips are stored in ___________ gas to prevent oxidation.

For a potential transformer the turns ratio is defined as the-

Which refers to the physical or logical arrangement of a network?

The NAND gate output will be low if the two inputs are-

Korotkoff sounds are observed during measuring the-

Recently OPEC has boosted long-term oil demand forecast driven by developing nations. What does OPEC stand for?

Two or more devices share a single link in ___________ connection.

Schering bridge is used to -

Token Ring is a data link technology for-

Which of the following hills is situated on India's north-eastern border with Myanmar?

Shunt is connected in parallel to ammeter to;

A meter has a full scale of 90° at a current of 1 A. This meter has a perfect square law response. What is the current when the deflection angle is 45°?

What is the use of intersection operator?

Which of the following is NOT a binary number? 

What is the ratio of the density of the substance to the density of water called?

One-third of the members of the Rajya Sabha retires after every _________ year. 

Bandodkar Trophy is associated with which sport?

Vestigial sideband is most commonly used in-

Who won Gold in Dan Kovlov 2019 in the Men’s freestyle wrestling 65kg category? 

When the frequency of applied voltage in a series RL circuit is increased, what happens to the inductive reactance?

A reference variable must be initialized at the time of ___________.

Wires that carry equal and opposite currents are twisted because-

Which of the following pairs of octal and binary numbers are NOT equal?

__________ is a protocol that allows for the secure movement of data from one network to another.

Which of the following operators has left to right associativity?

Calculate the power in a line having a resistance of 4 Ohms when 8 A direct-current is flowing in the line.

What is the total external data memory that can be interfaced to the 8051?

Number of cells connected in series provide a

The number of digit 1 present in the binary representation of 3 × 512 + 5 × 64 + 7 × 8 + 3 is: 

Dichloro Diphenyl Trichloroethane(DDT) is-

What is the full form of IRDAI?

How much is one terabyte equal to?

What does PPP stands for with respect to Data Communication? 

Minerals and Oil are-

The direction of statically induced EMF can be obtained with the help of-

In phase modulation, frequency deviation is-

The maximum temperature permitted to class A electrical insulation is-

What is the average case time complexity of bubble sort?

_________ is used in the automatic heating appliances to control the temperature. 

How can a monostable multivibrator be modified into a ramp generator?

In ideal case, the charging current for 200 Ah battery would be-

With which game is Bhagyashree Thipsey associated?

A graphic record of heart sounds is known as-

In an E-R diagram, multivalued attributes are represented by-

Which of the following requires a device driver?

The most commonly used electrical conductor is-

Convert the hexadecimal number C6 to binary number.

The excess-3 code of decimal 7 is represented by-