1.
An ohmmeter is a
A
moving iron instrument
B
moving coil instrument
C
dynamometer instrument
D
none of the above
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An ohmmeter is a
moving iron instrument
moving coil instrument
dynamometer instrument
none of the above
An instrument transformer is used to extend the range of
induction instrument
electrostatic instrument
moving coil instrument
any of the above
An induction wattmeter can be used for
both D.C. and A.C.
D.C. only
A.C. only
any of the above
An ammeter is a
recording instrument
integrating instrument
secondary instrument
absolute instrument
Alternating current is measured by
electrostatic ammeter
moving iron repulsion type voltmeter
induction ammeter
permanent magnet type ammeter
According to application, instruments are classified as
both a and b
moving coil
switch board
portable
A..................device prevents the oscillation of the moving system and enables the latter to reach its final position quickly
damping
any of the above
deflecting
controlling
A Weston synchronoscope is a
dynamometer instrument
none of the above
moving coil instrument
moving iron instrument
A Weston frequency meter is
dynamometer instrument
none of the above
moving coil instrument
moving iron instrument
A voltage of about 200 V can be measured
a D.C. potentiometer in conjunction with a known resistance
none of the above
directly by a D.C. potentiometer
a D.C. potentiometer in conjunction with a volt ratio box
A universal RLC bridge uses
Maxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance
Any of the above.
Maxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance
Maxwell Wein bridge for measurement of inductance and modified De Santys bridge for measurement of capacitance
A sensitive galvanometer produces large deflection for a
large value of power
large value of voitage
small value of current
large value of current
A power factor meter has
two current circuits and one pres¬sure circuit
none of the above
one current circuit and two pres¬sure circuits
one current circuit and one pressure circuit
A potentiometer may be used for
calibration of ammeter
calibration of voltmeter
measurement of resistance
measurement of current
A phase shifting transformer is used in conjunction with
A.C. co-ordinate potentiometer
Crompton potentiometer
D.C. potentiometer
Drysdale potentiometer
A multirangq instrument has
variable turns of coil
multi range meters inside the measurement system
multiple shunt or series resistances inside the meter
multicoii arrangement
A moving-coil permanent-magnet instrument can be used as....................by using a low resistance shunt.
flux-meter
ballistic galvanometer
ammeter
voltmeter
A moving-coil permanent-magnet instrument can be used as flux-meter
by eliminating the control springs
by making control springs of large moment of inertia
by using a low resistance shunt
by using a high series resistance
A moving iron instrument can be used for
D.C. only
A.C. only
both D.C. and A.C.
A dynamometer wattmeter can be used for
any of the above
both D.C. and A.C.
D.C. only
A.C. only