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1. Explain the construction and working of Calomel electrode
2. Derive an expression for the electrode potential of a glass electrode.
3. What are ion selective electrodes? Explain the working principle of an ion selective electrode.
4. Explain the construction and working of Silver-Silver chloride electrode.
5. What are the advantages and disadvantages of glass electrode?
6. Two copper electrodes placed in copper sulphate solutions of equal concentration are connected to form a concentration cell. (1) What is the cell voltage? (2) If one of the solutions is diluted until the concentration of Cu2+ ions is 1/5th of its original value, what will be the cell voltage after dilution?
Q. Several forms of interference? Interference may take several forms: ac hum, higher frequency pulses and "whistles," or erratic waveforms commonly known as static. Interferin
A three-phase, wye-connected, four-pole, 400- V, 60-Hz, 15-hp synchronous motor has a synchronous reactance of 3 per phase and negligible armature resistance. The data for its no
Explain time division switching? Time Division Switching: A switching element can be shared by number of concurrently active speech circuits. It is the princi
Transparent latch D flip Flop A typical example of this type of D flop is 7475 shown in figure when CLK connected is enable signal is high and the flip flop is enabled
For the circuit of Figure(a), obtain the complete solution for the current i L (t) through the 5-H inductor and the voltage v x (t) across the 6- resistor.
Q. Draw the various characterstics of a DC shunt generator and explain critical resistance. Sol. Following are three most important characterstics or curves of a d.
For the network shown in Figure, find the current in each resistor by means of nodal analysis.
Q. A tank is filled with water to a height of 12.5cm.The apparent depth of a needle lying at the bottom of the tank is measured by a microscope to be 9.4cm.What is the refractive i
Electrical network details: 1 single line diagrams with conductor sizes, transformer locations, consumer location, lengths, capacitors, and load, etc., 2
A capacitor is charged to 100 V and then discharged by a 50 kΩ resistor. If the time constant of the circuit is 0.8 s, verify: (a) The value of the capacitor, (b) The time
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