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 straight line. a circle. sinisoidal. an ellipse. a straight line. a circle. sinisoidal. an ellipse. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±0.5% ± 1.5% ±3.5% ± 3.0% ±0.5% ± 1.5% ±3.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1 ohm. 1000 ohm. 10 ohm. 100 ohm. 1 ohm. 1000 ohm. 10 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and stress Force and strain Angular velocity and angular frequency None of these Force and stress Force and strain Angular velocity and angular frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. A recording An indicating A transfer An integrating A recording An indicating A transfer An integrating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 10 MΩ 1 MΩ 100 MΩ 0 10 MΩ 1 MΩ 100 MΩ ANSWER DOWNLOAD EXAMIANS APP
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