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Transformers
The turns ratio required to match an 80 source to a 320 load is
2
4
20
80
2
4
20
80
Answer
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Related Question
Transformers
Which of the following acts as a protection against high voltage surges due to lightning and switching?
Conservator
Breather
Thermal overload relays
Horn gaps
Conservator
Breather
Thermal overload relays
Horn gaps
Answer
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Transformers
The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is
4 μH
2 μH
2 mH
8 μH
4 μH
2 μH
2 mH
8 μH
Answer
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Transformers
A step up transformer increases
Voltage
Current
Frequency
Power
Voltage
Current
Frequency
Power
Answer
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Transformers
The highest voltage for transmitting electrical power in india is
66 kV
400 kV
33 kV
132 kV
66 kV
400 kV
33 kV
132 kV
Answer
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Transformers
The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 load. The turns ratio is 3:1. What is the secondary voltage?
180 V
20 V
18 V
2 V
180 V
20 V
18 V
2 V
Answer
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