# Telecom Customer Churn Prediction in Apache Spark (ML)

Learn Apache Spark machine learning by creating a Telecom customer churn prediction project using Databricks Notebook

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### If YOU are an Electrical Engineer then following quiz is for YOU

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Electrical Engineering

Smart Series Quiz-1

These questions are taken from smart series book which covers all the subjects of Electrical Engineering and Technology Field

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Category: Electroncis

1) A semiconductor device is connected in a series circuit with a battery and a resistance. If the polarity of battery is reversed, the current drops almost to zero. The device may be

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Category: Basic Electrical Engineering

2) At very sunny places this source(s) of energy can be found

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Category: Basic Electrical Engineering

3) Fourier series are infinite series of elementary trigonometric functions i.e. Sine and

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Category: Power Transmission and Distributions

4) Drop out to cut off ratio for most relays is of the order of

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Category: Electrical Machines

5) Radio frequency chokes are air cored to

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Category: Electrical Machines

6) A transformer transforms

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Category: Power Plant

7) The average fossil fuel plant convers about is ______ % of the power going in to the power going out.

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Category: Singal and Systems

8) Main purpose of modulation process is to

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Category: Power System Analysis

9) There are ____ types of dependent sources, depending on the controlling variable and output of the source.

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Category: Basic Electrical Engineering

10) Conjunction x ^ y behaves on digits 0 and 1 exactly as ____ does for ordinary algebra.

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Category: Telecommunications

11) Modulation index in amplitude modulation

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Category: Basic Electrical Engineering

12) Which line is obtained by the method of least square?

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Category: Electrical Machines

13) Fundamental property used in single node pair circuit analyzer is that ______ across all elements is same.

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Category: Electroncis

14) SCR (Silicon Controlled Rectifier) goes into saturation, when gate-cathode junction is

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Category: Power Plant

15) ______ is a by-product of paper industry, which is used by many industries as a primary source of electricity.

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Category: Power Plant

16) If field resistance of DC shunt generator is increased beyond its critical value, the generator

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Category: Power Plant

17) Landfill gas is actually _______ used in thermal power plants.

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Category: Singal and Systems

18) The _____ time signal is described for all values of time.

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Category: Basic Electrical Engineering

19) If the input capacitor of a power supply is shorted, it will result in

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Category: Electroncis

20) Discrete device field effect transistor is classified on the basis of their

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Category: Power Electroncis

21) If the firing angle in an SCR rectifier is decreased, output will be

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Category: Power System Analysis

22) The quantity “Rm” which relates dependent voltage to controlling current is called

We have to maintain flatness of the surface.

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Category: Power System Analysis

23) Which of the following are considered as disadvantages(s) of Gauss-Seidel method over Newton Raphson method in load flow analysis?

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Category: Power System Analysis

24) Which of the following ideas means deciding at runtime what strategy to summon?

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Category: Probability

25) What is the probability of a number “2” when a dice is thrown?

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Category: Power Transmission and Distributions

26) Which of the following conditions relate line resistance ‘R’ and line reactance ‘X’ for maximum steady state power transmission on a transmission line?

We have to maintain flatness of the surface.

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Category: DC Machines

27) The Pole Shoes of DC Machines are fastened to the pole core by:

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Category: Power System Analysis

28) Power in AC circuit is found by

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Category: Network Analysis

29) Admittance is the reciprocal of

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Category: Power Transmission and Distributions

30) For which purpose bundled conductors are employed to a power system