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posted on 15 Jul 2017
I was interviewed before Jul 2016.
posted on 9 Dec 2021
I applied via Company Website and was interviewed before Dec 2020. There was 1 interview round.
There are various types of electrical motors and transformers, each with their own unique wiring diagrams.
Types of electrical motors include AC motors, DC motors, stepper motors, and servo motors.
Transformers can be step-up, step-down, isolation, autotransformers, etc.
Wiring diagrams vary depending on the specific motor or transformer being used.
AC motors typically have a capacitor and a start winding in their wiring d...
I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed in May 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jun 2022. There were 3 interview rounds.
Home's law is a principle that states that the current flowing through a conductor is directly proportional to the voltage applied across it.
Home's law is also known as Ohm's law.
It is expressed as I = V/R, where I is the current, V is the voltage, and R is the resistance.
This law is fundamental to the study of electrical circuits and is used to calculate the behavior of circuits.
For example, if the voltage across a re...
The current unit is the ampere (A), which measures the flow of electric charge.
The unit of electric current is the ampere (A).
Current is the rate of flow of electric charge.
It is measured using an ammeter.
One ampere is equal to one coulomb of charge passing through a point in one second.
Voltage is the unit of measurement for electric potential difference.
Voltage is the force that pushes electric charges through a circuit.
It is measured in volts (V).
Voltage is essential for the operation of electrical devices.
Examples of voltage units include millivolts (mV), kilovolts (kV), and megavolts (MV).
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage applied across it.
Ohm's law is expressed as V = I * R, where V is the voltage, I is the current, and R is the resistance.
The current symbol is represented by the letter 'I'.
Ohm's law is fundamental in understanding and analyzing electrical circuits.
Example: If a circuit has a voltage of 12 volts and a resistance of 4 o...
The two types of winding in electrical engineering are lap winding and wave winding.
Lap winding is used in DC machines and is characterized by multiple parallel paths for current flow.
Wave winding is used in AC machines and is characterized by a single path for current flow.
Lap winding provides high current capacity and low voltage output, while wave winding provides low current capacity and high voltage output.
In lap ...
The primary winding is the first coil in a transformer that receives electrical energy.
The primary winding is typically connected to the power source.
It is responsible for receiving and transmitting electrical energy to the secondary winding.
The number of turns in the primary winding determines the voltage ratio between the primary and secondary sides.
Primary windings are commonly found in transformers, induction motor
I applied via Campus Placement and was interviewed before Feb 2023. There was 1 interview round.
I applied via Company Website and was interviewed in Sep 2021. There was 1 interview round.
A DC motor is an electric motor that converts direct current electrical energy into mechanical energy.
DC motors are commonly used in household appliances, electric vehicles, and industrial machinery.
They consist of a rotor, a stator, and a commutator.
The direction of rotation can be reversed by reversing the polarity of the input voltage.
DC motors are more efficient than AC motors at low speeds and can provide high tor...
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They consist of two coils of wire, called the primary and secondary coils, wrapped around a magnetic core.
When an AC current flows through the primary coil, it creates a magnetic field th...
DC machine is an electrical machine that converts DC electrical power into mechanical power.
DC machine stands for Direct Current machine
It consists of a stator and a rotor
The stator produces a magnetic field and the rotor rotates due to the interaction of the magnetic fields
Examples include DC motors and DC generators
LT panel is a type of electrical distribution panel used to control and distribute power to various electrical loads.
LT stands for Low Tension, which refers to the voltage level of the panel (typically up to 1000V)
LT panels are commonly used in industrial and commercial settings to distribute power to machinery and equipment
They can include various components such as circuit breakers, fuses, meters, and relays
LT panels...
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