Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. PMMC Electrostatic Hot wire Moving iron PMMC Electrostatic Hot wire Moving iron 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 31.4. 25.4. 20. 54.2. 31.4. 25.4. 20. 54.2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be High None of the listed here Almost zero Low High None of the listed here Almost zero Low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Induction type Moving iron type Moving coil type Hot wire type Induction type Moving iron type Moving coil type Hot wire type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is Short-circuited None of these Faulty All right Short-circuited None of these Faulty All right ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt ANSWER DOWNLOAD EXAMIANS APP