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The R(eq) of the primary of a 220V/1100V transformer is 0.1 ohm it's equivalent resistance reffered to secondary is 1) 0.5 2)0.02 3)0.04 4)2.5 Ans: 2.5 how explain (Please answer it friends don't ignore)?
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The R(eq) of the primary of a 220V/1100V transformer is 0.1 ohm it's e...
Calculation of equivalent resistance referred to secondary
Given:
Primary voltage (V1) = 220 V
Secondary voltage (V2) = 1100 V
Primary resistance (R1) = 0.1 ohm
Equivalent resistance referred to secondary (Rs) = ?
Formula:
Rs = R1 * (V2/V1)^2
Substituting the given values in the above formula, we get:
Rs = 0.1 * (1100/220)^2
Rs = 2.5 ohm
Therefore, the equivalent resistance referred to secondary is 2.5 ohm.
Explanation:
The equivalent resistance referred to secondary is the resistance that the primary winding of the transformer appears to have when it is referred to the secondary winding. This is given by the above formula.
In this case, the primary voltage and resistance are given, and the secondary voltage is known. Using the formula, we can calculate the equivalent resistance referred to secondary.
It is important to note that the equivalent resistance referred to secondary is different from the actual primary resistance. This is because the transformer changes the voltage level and current level, which affects the resistance seen by the primary winding.
Given:
Primary voltage (V1) = 220 V
Secondary voltage (V2) = 1100 V
Primary resistance (R1) = 0.1 ohm
Equivalent resistance referred to secondary (Rs) = ?
Formula:
Rs = R1 * (V2/V1)^2
Substituting the given values in the above formula, we get:
Rs = 0.1 * (1100/220)^2
Rs = 2.5 ohm
Therefore, the equivalent resistance referred to secondary is 2.5 ohm.
Explanation:
The equivalent resistance referred to secondary is the resistance that the primary winding of the transformer appears to have when it is referred to the secondary winding. This is given by the above formula.
In this case, the primary voltage and resistance are given, and the secondary voltage is known. Using the formula, we can calculate the equivalent resistance referred to secondary.
It is important to note that the equivalent resistance referred to secondary is different from the actual primary resistance. This is because the transformer changes the voltage level and current level, which affects the resistance seen by the primary winding.
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The R(eq) of the primary of a 220V/1100V transformer is 0.1 ohm it's equivalent resistance reffered to secondary is 1) 0.5 2)0.02 3)0.04 4)2.5 Ans: 2.5 how explain (Please answer it friends don't ignore)?
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