Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 500 Hz. 250 Hz. 625 Hz. 400 Hz. 500 Hz. 250 Hz. 625 Hz. 400 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? All of the listed here Current transformers Shunt Potential transformers All of the listed here Current transformers Shunt Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Magnetic deflection is inversely proportional to (Voltage)-0.5. (Voltage)2. Voltage. (Voltage)1.5. (Voltage)-0.5. (Voltage)2. Voltage. (Voltage)1.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Hot wire type Moving coil type Induction type Moving iron type Hot wire type Moving coil type Induction type Moving iron type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the aluminium frame of the coil. the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. the aluminium frame of the coil. the coil spring attached to the moving. damping vane in the airtight chamber. eddy current disk. ANSWER DOWNLOAD EXAMIANS APP