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 5% 3% 6% 4% 5% 3% 6% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 4% 3% 2% 1% 4% 3% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multiple shunt or series resistance inside the meter Variable turns of coil Multirange meters inside the measurement system Multicoil arrangement Multiple shunt or series resistance inside the meter Variable turns of coil Multirange meters inside the measurement system Multicoil arrangement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% more. 0.4% less. 0.4 more. 0.2% less. 0.2% more. 0.4% less. 0.4 more. 0.2% less. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 20. 31.4. 25.4. 54.2. 20. 31.4. 25.4. 54.2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Newton Ampere Watt Joule/sec Newton Ampere Watt Joule/sec ANSWER DOWNLOAD EXAMIANS APP
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