A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

Measurement and Instrumentation
A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

- 597 W.

- 795 W.

+ 597 W.

+ 795 W.

- 597 W.

- 795 W.

+ 597 W.

+ 795 W.

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Measurement and Instrumentation
In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

1.

0.5.

0.

none of above.

1.

0.5.

0.

none of above.

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Measurement and Instrumentation
An induction meter can handle current upto

100 A

60 A

30 A

10 A

100 A

60 A

30 A

10 A

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Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Absolute

Integrating

Indicating

Recording

Absolute

Integrating

Indicating

Recording

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Schering bridge

Any of the listed here

Modified De santy's bridge

Wein bridge

Schering bridge

Any of the listed here

Modified De santy's bridge

Wein bridge

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Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

85.4o.

94.6o.

4.6o.

175.4o.

85.4o.

94.6o.

4.6o.

175.4o.

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Measurement and Instrumentation

Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

Measurement and Instrumentation An induction meter can handle current upto

Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Measurement and Instrumentation For measurement on high voltage capacitors, the suitable bridge is

Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

Measurement and Instrumentation
A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read

Measurement and Instrumentation
In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

Measurement and Instrumentation
An induction meter can handle current upto

Measurement and Instrumentation
_______ instruments are those which measure the total quantity of the electricity delivered in a particular time.

Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is