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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
kWh meter is the electric meter that measures the amount of electrical _____ in kWh that was consumed in the house.

Voltage
Current
None of these
Energy

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DGVCL Exam Paper (12-06-2016)
The load of a consumer is generally measured in terms of :

kW
Amperes
Volts
Ampere hour

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DGVCL Exam Paper (12-06-2016)
The core construction is like spokes of a wheel in following transformer:

None of these
Shell Type Transformer
Berry Type Transformer
Core Type Transformer

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DGVCL Exam Paper (12-06-2016)
Which of the following is the product of data processing:

System
Information
Software programme
Data

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DGVCL Exam Paper (12-06-2016)
Which of the following does not change in a transformer?

All of these
Voltage
Current
Frequency

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In transformer voltage and current can be raised or lowered.
Frequency remains same
Power and Flux remains almost constant.

DGVCL Exam Paper (12-06-2016)
The transformer works on the principle of:

All of these
None of these
Mutual induction
Mutual capacitance

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Transformer is static device.
two or more stationary electrical circuit mutually linked by magnetic circuit.
assumptions of ideal transformer:
1. there are no losses.
2. whole magnetic flux constant no leakage.
3. permeability of core is infinite.

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