During the measurement of resistance by Carey Foster bridge, no error – McqOptions

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1.	During the measurement of resistance by Carey Foster bridge, no error is introduced due to1. contact resistance2. connecting leads3. thermoelectric e.m.fWhich of the above are correct?
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» B. 1 and 3 only

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