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The current and potential coils of a dynamometer type wattmeter were accidentally interchanged while connecting. After energizing the circuit, it was observed that the wattmeter did not show the reading, this could be due to:
The current and potential coil of a dynamometer type wattmeter were accidentally interchanged while connecting. After energizing the circuit, it was observed that the wattmeter did not show the reading. This could be due to the 
The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Calculate the total active power.
The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Find the power factor.
The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Find the reactive power.
Prony brake dynamometer is an absorption dynamometer.
Belt transmission dynamometer is an absorption dynamometer.
Belt transmission dynamometer is a transmission dynamometer.
Which of the following dynamometer type differs from an Epicyclic train dynamometer?
Bevis-Gibson Flash Light Torsion Dynamometer is a transmission dynamometer.