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 ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving- iron meter Moving-coil meter Potentiometer Digital Volt meter Moving- iron meter Moving-coil meter Potentiometer Digital Volt meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter Small range moving coil voltmeter None of these C. potentiometer Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray magnetic fields. Errorneous standardisation. Ripples of the DC supply. Stray thermal emfs. Stray magnetic fields. Errorneous standardisation. Ripples of the DC supply. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 8085 microprocessor consist of Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and Memory. Arithmetic and Logic Units (ALU), Control Unit (CU) and Registers. Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and I/O devices. Arithmetic and Logic Units (ALU), Control Unit (CU) and I/O devices. Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and Memory. Arithmetic and Logic Units (ALU), Control Unit (CU) and Registers. Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and I/O devices. Arithmetic and Logic Units (ALU), Control Unit (CU) and I/O devices. ANSWER DOWNLOAD EXAMIANS APP
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