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In a transformer 220 A.C. voltage is increased to 2200 volts. If the number of turns in the secondary are 2000, then the number of turns in the primary will be
- a)200
- b)100
- c)50
- d)20
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In a transformer 220 A.C. voltage is increased to 2200 volts. If the n...
Number of turns in primary coil ( Np ) = ?
Number of turns in Secondary coil ( Ns ) = 2000
Voltage in primary coil ( Ep ) = 220 V
Voltage in secondary coil ( Es ) = 2200 V .
Now, using formula: Ep/Es = Np/Ns
Substituting values, we get,
220/2200 = Np/2000
=> Np = 200 turns .
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Community Answer
In a transformer 220 A.C. voltage is increased to 2200 volts. If the n...
Given data:
Secondary voltage, V2 = 2200V
Number of turns in secondary, N2 = 2000
Primary voltage, V1 = 220V
Number of turns in primary, N1 = ?
Formula:
The voltage in the primary and secondary of a transformer is related to the number of turns in each coil by the formula:
V1/V2 = N1/N2
Where,
V1 = Voltage in primary
V2 = Voltage in secondary
N1 = Number of turns in primary
N2 = Number of turns in secondary
Calculation:
Using the above formula, we can find N1 as follows:
N1 = (V1/V2) × N2
Substituting the given values in the above formula, we get:
N1 = (220V/2200V) × 2000 = 200
Therefore, the number of turns in the primary is 200.
Answer: Option A.
Secondary voltage, V2 = 2200V
Number of turns in secondary, N2 = 2000
Primary voltage, V1 = 220V
Number of turns in primary, N1 = ?
Formula:
The voltage in the primary and secondary of a transformer is related to the number of turns in each coil by the formula:
V1/V2 = N1/N2
Where,
V1 = Voltage in primary
V2 = Voltage in secondary
N1 = Number of turns in primary
N2 = Number of turns in secondary
Calculation:
Using the above formula, we can find N1 as follows:
N1 = (V1/V2) × N2
Substituting the given values in the above formula, we get:
N1 = (220V/2200V) × 2000 = 200
Therefore, the number of turns in the primary is 200.
Answer: Option A.
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