Questions – Answers
Electrical and Electronics Engineering Interview Questions and Answers
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Why Does an Electric Tester Not Work in DC Circuits?
Why Does an Electric Tester Work Only in AC, but Not in DC Circuits? Electric testers, often referred to as voltage testers, phase testers, mains testers or test pens, are…
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Why Do The Positive And Negative Wires Spark When Touched?
Why Do The Phase And Neutral or Positive and Negative Wires Spark When Connected Together? When positive and negative conductors touch, it produces a spark. Same is the case when…
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What are the Cuts on the Rotor of Motor’s Armature?
What is Purpose of the Notches or Grooves in the Armature of a Motor? The grooves in the armature slots are used to balance the weight of the core, ensuring…
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Why Do Wind Turbines Have 3 Blades Instead of 2 or 5?
Why are Three Blades Considered Optimal for Wind Turbines, Rather than Two, Four, or More? Wind turbines have become a cornerstone of renewable energy generation, and their design has evolved…
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Difference Between Edge Triggering and Level Triggering
What is the Difference Between Level Triggering and Edge Triggering? Edge triggering and level triggering are two different types of triggering methods used in digital circuits. It enables the circuit…
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Difference between Zener Diode and Avalanche Diode
What is the Main Difference between Avalanche Diode and Zener Diode? Zener diode and avalanche diode are two different types of diodes used in electronic circuits for protection. Both of…
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Difference Between Amplifier and Operational Amplifier
What is the Difference Between Amplifier and Operational Amplifier (Op-Amp)? In electronic circuits and devices, amplifiers are frequently used to increase the power of a signal. An amplifier is an…
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Difference Between Active Transducer and Passive Transducer
What is the Main Differences Between Active and Passive Transducers There are different kinds of physical quantities that cannot be easily measured using conventional tools. However, these quantities can be…
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Difference Between Digital Latch and Flip-Flop Circuits
What is the Main Difference Between Digital Latch and Flip Flop? In digital electronics, there are two basic kinds of logic circuits; a combinational logic circuit and sequential logic circuit.…
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Difference Between Shunt Capacitors and Shunt Reactors
What is the Difference Between Shunt Reactor and Shunt Capacitor? There are several devices used in an electrical power system to improve the power factor and its efficiency. A shunt…
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