Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. 248 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure AC volatge. DC current. DC voltage. both AC and DC voltage. AC volatge. DC current. DC voltage. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Base units Derived units Units used to measure charge Supplementary units Base units Derived units Units used to measure charge Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Magnetic deflection is inversely proportional to (Voltage)1.5. (Voltage)2. Voltage. (Voltage)-0.5. (Voltage)1.5. (Voltage)2. Voltage. (Voltage)-0.5. ANSWER DOWNLOAD EXAMIANS APP