The wheatstone bridge cant be used for precision measurements because – McqOptions

MCQOPTIONS

1.	The wheatstone bridge cant be used for precision measurements because errors are introduce into on account of :
A.	resistance of connecting leads
B.	thermo electric emf
C.	contact resistances
D.	all of the above.
Answer» E.

Discussion

No Comment Found

Related MCQs

The adjustment of position of shading bands, in an energy meter is done to provide
In an electro dynamometer type of wattmeter , the inductance of the pressure coil circuit produces error :
In electro dynamometer type of wattmeter current coils designed for carrying heavy currents use stranded wires or laminated conductors :
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be
The pressure coil of a wattmeter should be connected on the supply side of the current coil when
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at
The power factor of a single phase load can be calculated if the instruments available are
The braking torque provided by a permanent magnet in a single phase energy meter is proportional to the
Hole s are drilled on the opposite sides of the spindle of an energy meter to avoid
Swamping of resistance is used to compensate error due to: