Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Hot wire Thermocouple Moving iron Dynamometer Hot wire Thermocouple Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Candela Degree Radian Steradian Candela Degree Radian Steradian ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 2 4 5 1 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. All of these higher response time. large time constant. high inertia. All of these higher response time. large time constant. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called absolute error probable error relative error gross error absolute error probable error relative error gross error ANSWER DOWNLOAD EXAMIANS APP