The angle δ for a mica capacitor is about

More Questions from Measurements and Instrumentation

• A voltmeter using thermocouples measures
• Which of the following statement is correct for two wattmeters method of power measurement in 3 phase circuit?
• In a CRO which of the following is not a part of electron gun
• The coil of a moving iron instrument has a resistance of 500 Ω and an inductance of 1 H. It reads 250 V when a 250 V dc is applied. If series resistance is 2000 Ω, its reading when fed by 250 V, 50 Hz ac will be
• In a ballistic galvanometer, a charge of 100 μC gives a first swing of 25°. The charge required to cause first swing of 50° is
• In a strain measuring device using a strain gauge, the output quantity is
• Magnetic flux density has the dimensions
• A dynamometer wattmeter is connected in ac circuit. The measured power is
• A meter with a resistance of 100 Ω and a full scale deflection of current of 1 mA is to be converted into voltmeter of 0 - 5 V range. The multiplier resistance should be
• A dynamometer wattmeter is connected in ac circuit. The reading will be

Discussion & Comments