Which is not part of a cathode-ray tube oscilloscope? a. Electron gun b. Digital panel meter C. Fluorescent screen d. Deflection plates

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A: Multiplexer: It has many input and one output terminal so this is also called many to one.

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Q: 20 kQ 60 kQ ww 20 kΩ + Vx 20 kQ 100 kQ 20 kQ Vz 60 k2 Vy 20 kQ Vw 20 kQ 20 k2

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Q: How many lines are there in an NTSC signal? 1) 1024 p) 1856 -) 625 ) 525

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Q: dc power shall be supplied by a listed dc power supply with a maximum output of ____ volts

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Q: 14/ Find the form factor of the following waveform quarter cycle sinusoidal v(t) t2 +(sec) 1 3

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Q: Determine the following: a. re b. Zi c. Zo where ro is infinite d. Av where ro is infinite

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Q: Vx - vin i. RI Jwci VX -Ve R2 Vo = V2 = V de vive vi

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Q: Rg = 330 kn Rc = 1.5 k2 Cin Bdc = 150 Cout R = 1.5 kN Vin = 50 mVeP

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Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.