Electronics Measurement and Instruments — Summer 2022

Define: (1) Accuracy (2) Precision (3) Sensitivity

Describe systematic errors in detail.

Describe the classification of Standards in detail

A Maxwell bridge is used to measure inductive impedance. The Bridge constants are : C1=0.01µF,R1=470kΩ,R2=5.1kΩ and R3=100kΩ Find the equivalent of the unknown impedance.

What are the applications and limitations of Wheatstone Bridge?

Draw the circuit diagram of Hay’s Bridge and derive the equation for R x and L x.

Find the series equivalent inductance and resistance of the network that causes an opposite angle (Hay bridge) to null with the following bridge arms. ω=3000 rad/sec,R =10kΩ,R =2 kΩ ,C =1 µF,R =1 kΩ

Just draw the block diagram of basic CRO.

With diagram explain the working principle of AF sine and square wave generator.

With diagram and waveforms explain the working of Horizontal deflection system of CRO in detail.

With diagram explain the working of basic wave analyzer.

Explain resistive transducers in detail.

With diagram explain the working principle of Dual Trace CRO.

Explain random errors in detail.

With diagram explain the working of sweep generator.

Draw the block diagram of a Function generator and explain the function of each block in detail.

What are the advantages of an electrical transducer?

What are the parameters an electrical transducer must have?

With diagram and waveforms explain the working principle of spectrum analyzer in detail.

Explain gross errors in detail.

Draw the diagram of Schering’s bridge and derive the equation for R x and C x.1

Explain linear variable differential transducer (LVDT) in detail with necessary diagrams.

Just draw the circuit diagram of Wien’s bridge .Why we use Wien’s bridge?

With diagram explain single channel data acquisition system.

With diagram explain the principle of Piezo electrical transducer.