Measurement and Instrumentation A 10MHz CRO has 10MHz vertical oscillator 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep 10MHz vertical oscillator 10MHz supply frequency 10MHz horizontal oscillator 5MHz sweep ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding Reduce the tolerance Double the power rating of the resistor Increase the thermal stability Reduce the inductance of winding Reduce the tolerance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero Both give the same readings One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
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. 400 Hz. 625 Hz. 250 Hz. 500 Hz. 400 Hz. 625 Hz. 250 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies Low frequencies High load on the transformer Power frequencies High frequencies Low frequencies High load on the transformer Power frequencies ANSWER DOWNLOAD EXAMIANS APP
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