The power factor of a single phase load can be calculated if the instruments available are

Related MCQs

• In a single phase power factor meter the phase difference between the currents in the two pressure coils is
• In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was
• In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be
• The two pressure coils of a single phase power factor meter have
• The use of _____ instruments is merely confined within laboratories as stand¬ardizing instruments.
• In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at
• Commonly used instruments in power system measurement are
• The power of a n-phase circuit can be measured by using a minimum of
• Induction type single phase energy meters measure electric energy in
• Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?