Questions – Answers
Electrical and Electronics Engineering Interview Questions and Answers
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Star to Delta & Delta to Star Conversion. Y-Δ Transformation
Star to Delta and Delta to Star Transformation – Y-Δ Conversion In an electrical network, the impedance can be connected in various configurations. The most common of these configurations are…
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How to Design and Install a Solar PV System?
Design and installation of Solar PV Systems Today our modern world needs energy for various day to day applications such as industrial manufacturing, heating, transport, agricultural, lightning applications, etc. Most…
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What is Voltage? its Unit, Formula, Types & Applications
What is Voltage? Electric Potential Difference and EMF Definition & Applications You must have heard of the voltage, current & power that is associated with electricity. It is one of…
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What Happens if We Connect a Polar Capacitor the Wrong Way?
What Happens When You Connect an Electrolytic Polarized Capacitor in The Reverse Polarity? There are different types of capacitors such as polar (fixed capacitors e.g. electrolytic, Pseudo-capacitors, ELDs, and super-capacitors)…
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What Happens if a Battery is Connected to the AC Supply?
What will Happen if We Connect a Battery with an AC Source? We know that a battery can’t store AC instead of DC as an energy storage device. So never…
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What Happens to the Battery with Reverse Polarity Wiring Connection
Charging & Discharging the Battery with Incorrect and Wrong Connection We know that a secondary battery (also known as an accumulator) is a device that converts the chemical energy into…
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Difference Between Grounding, Earthing and Bonding
What is the Difference between Earthing, Grounding and Bonding? There is unusual confusion to understand the basic concept and main difference among grounding, earthing and bonding even some professionals interchanged…
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Why are Stones Used in an Electrical Substation?
Why are Stones, Pebbles, Grit and Gravel used in an a Switchyard? In an electrical substation, there are multiple devices and equipment such as power and distribution transformers, transmission lines, Potential and Current…
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Why is Zero Ohm Resistor Used? 0-Ω Resistor Applications
Why is a Zero Ohm Resistor used instead of a Jumper Wire? What is Zero Ohm Resistor? A Zero Ohm Resistor (also known as Zero Ohm Link) is a passive…
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Difference Between AC and DC Generator
Main Differences Between AC and DC Generator The electrical machine is a device that converts mechanical energy into electrical energy & vice versa. The Generator is a type of machine…
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