- AThe level of the voltage
- BThe power levels
- CThe power factor
- DThe frequency

- AVoltage
- BCurrent
- CFrequency
- DAll of the above

- A50%
- B60%
- C80%
- D95%

- AThrough air
- BBy magnetic flux
- CThrough insulating medium
- DNone of these

- AConductively linked
- BInductively linked
- CNot linked at all
- DElectrically linked

- AConstant magnetic flux
- BIncreasing magnetic flux
- CAlternating magnetic flux
- DAlternating electric flux

- APrimary winding only
- BSecondary winding only
- CTransformer core only
- DBoth primary and secondary windings

- AA common magnetic flux
- BSeparate magnetic circuits
- CWire of same size
- DSame number of turns

- ALow reluctance
- BHigh reluctance
- CLow resistance
- DHigh conductivity

- ASecondary of transformer will burn
- BPrimary of transformer will burn
- CSecondary voltage will be excessively high
- DThere will be no secondary voltage

- AVoltage
- BCurrent
- CVoltage and current
- DFrequency

- AMaximum resistance on primary side and least resistance on secondary side
- BLeast resistance on primary side and maximum resistance on secondary side
- CEqual resistance on primary and secondary sides
- DNo ohmic resistance on either side.

- ASupply voltage
- BSupply voltage and frequency
- CSupply voltage frequency and load
- DSupply voltage and load but independent of frequency

- A1
- B100
- C0.01
- D0.1

- ADecrease and remain the same
- BIncrease and decrease
- CBoth remain the same
- DRemain the same and increase

- AChange to three times the original value
- BChange to 1.5 times the original value
- CChange to 0.5 times the original value
- DRemain the same as the original value

- AIncrease by seven times
- BIncrease by three times
- CReduce to one quarter
- DRemain the same

- ABoth magnetizing component and core loss component of current will decrease
- BBoth magnetizing component and core loss component of current will increase
- CMagnetizing component of current will increase while core loss component of current will decrease
- DMagnetizing component of current will decrease while core loss component of current will increase

- A230V
- B460V
- C115V
- D65V

- AIncrease of both eddy-current and hysteresis losses.
- BReduction of both eddy-current and hysteresis losses
- CReduction of hysteresis loss and increase in eddy-current loss.
- DIncrease of hysteresis loss and no change in the eddy-current loss

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