To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?

Related Mcqs:

A moving-coil permanent-magnet instrument can be used as flux-meter_____________?

A. by using a low resistance shunt B. by using a high series resistance C. by eliminating the control springs D. by making control springs of large moment of inertia...

In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was___________?

A. unity B. 0.8 lagging C. 0.8 leading D. zero...

The multiplier and the meter coil in a voltmeter are in________________?

A. series B. parallel C. series-parallel D. none of the above...

In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be_______________?

A. unity B. 0.5 C. 0.3 D. zero...

A sensitive galvanometer produces large deflection for a_______________?

A. small value of current B. large value of current C. large value of power D. large value of voltage E. none of the above...