Measurement and Instrumentation Alternating current is measured by Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 3% 4% 6% 5% 3% 4% 6% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is Zero. 2√2V. 2V. √2V. Zero. 2√2V. 2V. √2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Unit of deflection sensitivity of a CRO is mm / V. meter / volt. V / mm. mm per mV. mm / V. meter / volt. V / mm. mm per mV. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Rc/Ra).Rb. (Ra/Rc).Rb. (Rc/Rb).Ra. (Rb/Rc).Ra. (Rc/Ra).Rb. (Ra/Rc).Rb. (Rc/Rb).Ra. (Rb/Rc).Ra. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS