Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. AC volatge. DC current. both AC and DC voltage. DC voltage. AC volatge. DC current. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 3R2. R1 = R2/2. R1 = R2. R1 = 2R2. R1 = 3R2. R1 = R2/2. R1 = R2. R1 = 2R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 100Hz 50Hz 1kHz 500Hz 100Hz 50Hz 1kHz 500Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows a circle. sinisoidal. a straight line. an ellipse. a circle. sinisoidal. a straight line. an ellipse. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 1 kWh 3 kWh 2 kWh 4 kWh 1 kWh 3 kWh 2 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 6.67% 10% 5% 8.33% 6.67% 10% 5% 8.33% ANSWER DOWNLOAD EXAMIANS APP
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