Circuit Analysis
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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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What Happens When an AC Line Touches a DC Line?
What Happens When DC Equipment are Operated on AC Voltage and Vice Versa ? AC and DC Mixed Operated Devices There is no simple, one-word answer like ‘Yes’ or ‘No’…
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Why Do Electronic Circuits Use DC Current instead of AC?
Why Electronic Devices Use DC Supply instead of AC Supply ? One thing should be cleared that not all the electronic devices, components and circuits are using only DC supply,…
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Analysis of Reactive Power in Power System
Analysis of Reactive Power in Power System Reactive power is an imaginary power, but still, it is needed in the Power System. If reactive power is in excess in Power…
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Analysis of a Simple R-L Circuit with AC and DC Supply
Analysis of a Simple R-L Circuit and Inductor Behavior Analysis of a Simple R-L Circuit with DC Supply: The circuit shown in Figures-1 is a simple R-L circuit (it has…
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Steady State Error & PI Controllers
Steady State Error & PI Controllers – Effect of PI Controller on Steady State Error A steady-state error is defined as the difference between the desired value and the actual…
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Open Delta Connections of Transformers
Open Delta Connections of Transformers Suppose you have three single-phase transformers of 5 KVA each. They are connected in (both primary & secondary sides) in delta, then we can say…
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