E.m.f. of a Weston cell is accurately measured by________________?

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...

A universal RLC bridge uses_________________?

A. Maxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance B. Maxwell Wein bridge for measurement of inductance and modified De Santy’s bridge for measurement of capacitance C. Maxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance D. Any of the above...

Commonly used instruments in power system measurement are_______________?

A. induction B. moving coil or iron C. rectifier D. electrostatic...