questions

A. voltmeters
B. wattmeters
C. ohmmeters and resistance bridges
D. ammeters
A. 2 Ω resistance in series with parallel combination of 3 Ω and 6 Ω resistance
B. All the three resistances in parallel
C. 6 Ω resistance in series with parallel combination of 2 Ω and 3 Ω resistance
D. 3 Ω resistance in series with parallel combination of 2 Ω and 6 Ω resistance
A. Should have low specific resistance
B. Most be of low temperature co-efficient
C. All of the above
D. Should not be subjected to fatigue
A. P= V2G
B. V = √ (PR)
C. I =√ (P / R)
D. G= P / I2
A. 220 V, 100 W
B. 220 V, 60 W
C. 115 V, 100 W.
D. 115 V, 60 W
A. amperes/volt
B. joule/sec
C. ( amperes )2 x ohm.
D. amperes x volts
A. Indicating
B. Absolute
C. Integrating
D. Recording
A. controlling
B. deflecting
C. any of the above
D. damping
A. voltmeter
B. ammeter
C. ballistic galvanometer
D. flux-meter
A. by using a high series resistance
B. by using a low resistance shunt
C. by making control springs of large moment of inertia
D. by eliminating the control springs
A. portable
B. switch board
C. moving coil
D. both ( and (
A. 30 A
B. 0.416666666666667
C. 100 A
D. 60 A
A. current transformers
B. potential transformers
C. either of the above
D. power transformers
A. Wh
B. kW
C. VAR
D. kWh
A. Meggar
B. Tangent galvanometer
C. None of the above
D. Current transformer
A. commutator motor meters
B. mercury motor meters
C. all of the above
D. induction type single phase energy meters
A. indicating
B. absolute
C. integrating
D. recording
A. Voltmeters
B. Ammeters
C. Ampere-hour and watt-hour meters
D. Wattmeters
A. Current transformers
B. Multipliers
C. All of the above
D. Potential transformers