Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 1.2% 25.2% 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
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 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for voltmeter only. ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. voltmeter only. ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Induction type Hot wire type Moving coil type Moving iron type Induction type Hot wire type Moving coil type Moving iron type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. kg, cm and s. g, cm and s. kg, m and s. g, m and s. kg, cm and s. g, cm and s. kg, m and s. ANSWER DOWNLOAD EXAMIANS APP
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