Alternating Current
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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 common question in electrical engineering interviews is about the main function of a capacitor in a ceiling fan. In…
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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 Voltage in a Short Circuit is Zero and Current is High
Why the Reactance and Voltage under Fault Condition is Low and Current is High Theoretically and ideally, the Voltage and Reactance of a system (under fault condition such as short…
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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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Can We Replace a 110/220 Turns Transformer with 10/20 Turns?
1:2 Turn Ratio for 110:220? The Turn Ratio is Same, Shall its Rating be Same? A step up transformer which has 110/220 turns. Can we replace it with 10/20 turns…
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Is it Possible to Operate a 50Hz Transformer on 5Hz or 500Hz Frequency?
What Happens if a 50Hz Transformer is Connected to 5Hz or 500Hz Supply Frequency? What would happen if a power transformer designed for operation on 50Hz frequency were connected to…
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Which Transformer is More Efficient When Operates on 50Hz or 60Hz?
A 50/60 Hz Transformer – Which One is More Efficient and Why? A transformer is designed to be operated on both 50Hz and 60Hz frequency. For the Same rating, which…
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