Measurement and Instrumentation
If an inductance is connected in one arm of the bridge and resistance is the remaining three arms

None of the listed here
The bridge can always be balanced
The bridge can be balanced if the resistance have some specific values
The bridge cannot be balanced

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Measurement and Instrumentation
In AC circuits, the connection of measuring instruments cause loading effect errors which may effect

 magnitude, phase and waveform of the quantity being measured.
 both of above.
 only the magnitude of the quantity being measured.
 only phase of the quantity being measured.

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