Horiba India IT Trainee Interview Questions and Answers

20 questions 40 minutes, 3 type of question easy, medium and hard each of 1, 3 and 5 points respectively, if you answer correct then you move above in difficulty else go down.

Q1. 20 questions 40 minutes same pattern as apti. Questions mainly from power electronics, network theory, machines and analog electronics
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Q2. 2 coding question one easy, one medium. Doing 1 question only may work
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Q1. Picked question from my cv/ project. Complete analysis of boost converter, voltage at no load, saturation of inductor, parasitics etc and much more.
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Q2. Bjt as switch opams mosfet on off charecteristics etc, analog electronics.
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Q3. 2 easy coding problem of searching and sorting algos
Ans. 
Implementing binary search and bubble sort algorithms in Python
• Binary search: Divide and conquer algorithm to find a target value in a sorted array

• Bubble sort: Iteratively swap adjacent elements if they are in the wrong order

• Example for binary search: def binary_search(arr, target):

• Example for bubble sort: def bubble_sort(arr):
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Q1. What is faraday’s law ?
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Faraday's law states that the induced electromotive force in any closed circuit is equal to the rate of change of the magnetic flux through the circuit.
• Induced electromotive force is directly proportional to the rate of change of magnetic flux

• The negative sign in the law indicates the direction of the induced current

• Faraday's law is the basis for the operation of generators and transformers
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Q2. What is kirchhoff law
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Kirchhoff's law refers to two laws in electrical circuit theory: Kirchhoff's current law (KCL) and Kirchhoff's voltage law (KVL).
• Kirchhoff's current law (KCL) states that the total current entering a junction is equal to the total current leaving the junction.

• Kirchhoff's voltage law (KVL) states that the sum of the voltages around any closed loop in a circuit is equal to zero.

• These laws are fundamental in analyzing and...read more
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Written aptitude test was taken. Difficulty level was moderate. Negative marking was there.

Q1. Draw the Oxygen atomic structure
Ans. 
Oxygen has 8 protons, 8 neutrons, and 8 electrons arranged in its atomic structure.
• Oxygen has an atomic number of 8, which means it has 8 protons.

• The atomic mass of Oxygen is approximately 16, so it has 8 neutrons.

• Oxygen has 8 electrons distributed in 2 electron shells, with 2 in the first shell and 6 in the second shell.
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Q2. Tell about specific density?
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Specific density is the ratio of the density of a substance to the density of a reference substance.
• Specific density is a dimensionless quantity.

• It is calculated by dividing the density of the substance by the density of the reference substance.

• Common reference substances for specific density include water and air.

• Specific density is used in various fields such as engineering, physics, and chemistry.
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