The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

Measurement and Instrumentation
The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

Reactive power of R phase

Active power of Y phase

Active power in R phase

Power proportional to 3 phase power if the load is balanced

Reactive power of R phase

Active power of Y phase

Active power in R phase

Power proportional to 3 phase power if the load is balanced

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Instrument transformers are

Pottential transformers

Current transformers

Both current and potential transformers

Power transformers

Pottential transformers

Current transformers

Both current and potential transformers

Power transformers

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

R1 = R2.

R1 = 3R2.

R1 = 2R2.

R1 = R2/2.

R1 = R2.

R1 = 3R2.

R1 = 2R2.

R1 = R2/2.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The effect of load resistance is important in measurement of

resistance of ammeter.

resistance of shunt.

resistance of shunt winding.

both A and B.

resistance of ammeter.

resistance of shunt.

resistance of shunt winding.

both A and B.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

4 kWh

3 kWh

1 kWh

2 kWh

4 kWh

3 kWh

1 kWh

2 kWh

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

Zero.

6.66 V.

- 3.33 V.

4.20 V.

Zero.

6.66 V.

- 3.33 V.

4.20 V.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation

Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

Measurement and Instrumentation Instrument transformers are

Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

Measurement and Instrumentation The effect of load resistance is important in measurement of

Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is

Measurement and Instrumentation
The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures

Measurement and Instrumentation
Instrument transformers are

Measurement and Instrumentation
The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

Measurement and Instrumentation
The effect of load resistance is important in measurement of

Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is