Alternating Current
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Can We Use AC Circuit Breaker for DC Circuit & Vice Versa?
Why DC Circuit Breakers Can’t be Used in an AC Circuit and Vice Versa? Both AC and DC are electrical energies having the same heating effects for the same RMS…
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Difference Between Electric Current and Electric Charge
Main Difference Between Charge and Current Electric charge and current are related quantities but they are different from each other. The main difference between current and charge: Current: It is…
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Which One Kills – Current or Voltage and Why? Amps vs Volts
Which One is the Fatal, Voltage or Current and Why? A bad wife or girlfriend won’t kill you but voltage and current at some rate will do it easily. That’s…
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What is the Role of Capacitor in a Ceiling Fan?
Why a Capacitor is used in a Ceiling Fan? The most asked question among electrical engineering interview questions about the main function of a capacitor in a ceiling fan. During…
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Why Does A Capacitor Block DC But Pass AC?
Why Does a Capacitor Allow AC and Block DC? One of the most common question asked by electrical engineering students again and again that’s why do capacitors block DC and…
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AC Voltage at Home is 230V but its Equation is v = Vm Sin θ. Explain?
Domestic AC Voltage at Home is 230V but its Equation is v = Vm Sin θ. Explain the Difference? Our homes are supplied with sinusoidal voltage whose equation should be…
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Why the Reactance & Voltage under Fault Condition is Low and Current is High
Why the Voltage and Reactance of a system under fault condition is low and fault current may rise to the highest dangerous value? We know that the power in watts…
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Why Volume of the Conductor is Inversely Proportional to the Square of Voltage?
Prove that the Volume of a conductor is inversely proportional to the squire of Voltage (Vol = 1/V2). And what is the effect of this relation on Transmission and Distribution…
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Why Power in Pure Inductive and Pure Capacitive Circuit is Zero?
Why Power is Zero (0) in Pure Inductive, Pure Capacitive or a Circuit in which Current and Voltage are 90° Out of Phase? These types of questions are asked in…
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Why Flux in Primary and Secondary Winding is Always Equal?
Why Flux in the Primary and Secondary Winding of the Transformer is Same? One of our followers asked “In a transformer, Which one is greater? primary flux or secondary flux?…
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