Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 1 MΩ 10 MΩ 0 100 MΩ 1 MΩ 10 MΩ 0 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A power factor meter has One current circuit and two pressure circuits One current circuit and one pressure circuit None of the listed here Two current circuit and one pressure circuit One current circuit and two pressure circuits One current circuit and one pressure circuit None of the listed here Two current circuit and one pressure circuit 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 5% 3% 4% 6% 5% 3% 4% 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1) A (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
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