(b) The ac voltmeter specification described below is used to measure the voltage across the 50k resistor R3 in the circuit shown in Figure Q4(b). What is the minimum voltage reading that should be observed by AC Voltmeter? The ac voltmeter specification has: • Full-wave rectification • 100µA meter movement • 120V range • Limiting error of ± 5% at full scale 10k ww R1 V = 120Vrms Figure Q4(b) R₂ 2 R3 w um 15k 50k

(b) The ac voltmeter specification described below is used to measure the voltage across the 50k resistor R3 in the circuit shown in Figure Q4(b). What is the minimum voltage reading that should be observed by AC Voltmeter? The ac voltmeter specification has: • Full-wave rectification • 100µA meter movement • 120V range • Limiting error of ± 5% at full scale 10k ww R1 V = 120Vrms Figure Q4(b) R₂ 2 R3 w um 15k 50k

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

See similar textbooks

Similar questions

b) A sine voltage trace displayed on a screen is shown in figure5. The x axis is 1unit=50 ms and y axis, 1 unit=2 V; determine the frequency of the sine wave and plot the waveform if the same is applied to the input of a half wave rectifier. V Figure5
In the circuit shown in the figure; A) When RL = 5Kohm and capacitor C is switched on, draw VA and V0 in scale according to input voltage Vs. NOTE = diodes are ideal
In the circuit in the figure, an AC voltmeter will be made with full wave rectifier circuit structure. R = 50ohm and diodesResistance values in the direction of transmission are Rd = 100ohm. Inside of the DC ammeter to be used as indicatorthe resistance is very, very small. The AC mark to be measured is Vs = 100 Sinwt Volts.a- Draw the shape of the current passing through the DC Ammeter and calculate its maximum value.b- Find the average value of the current passing through the DC Ammeter.c- Analyze the voltage seen at the ends of diode D1 for both alternans.d- Find the Rms value of the voltage seen at the ends of the diode D1.
Consider the Zener diode circuit shown in Figure. The Zener Breakdown Voltage (Vz) is 5.6 V at Iz= 0.1mA. Zener resistance is r,= 10 0. What is Vo without load (RL= ∞) ? R= 0.5 kQ Vo Vps= 10 V
A. Explain the difference between charging current andfaradaic current. B. What is the purpose of waiting 1s after a voltage pulse before measuring current in sampled current voltammetry? C. Why is square wave voltammetry more sensitive than sampled current voltammetry?
A single phase – half wave controlled rectifier with freewheeling diode is supplying a load consistingseries connected a resistor and an inductance from a 70.7V (RMS), 50Hz sinusoidal AC source.The firing delay of the thyristor is 90° and the load values are R=10Ω, L=0.1 H. Define the loadcurrent expression and draw the load current by calculating for first two periods. And calculate theaverage values of the load voltage and current.
In a full wave rectifier circuit involving double diodes, a sinusoidal input signal of the following nature is applied e=10 sin(500*pi*t) V. What will be value of the dc voltage obtained at the output of the rectifier.
Draw vx and v0 according to the input voltages in the circuit shown in the figure. note = R1 = 10Kohm R2 = 1kohm R3 = 1Kohm, the threshold voltages of diodes will be VE = 0.7V.
In the single phase diode bridge rectifier shown in figure, the load resistor is R = 50 N. The source voltage is v = 200 sin(wt), where W = 2π × 50 radians per second. The power dissipated in the load resistor R is R
For the circuit shown in the Figure, if the diodes are silicon diodes with Vp(on)=0.7 V, and VIN=50 sin wt V, V1 =6 V and V2 = 16 V, then the value of VouTP-p) is: R, D VaN Vout v1事 2章 Oa. 25.4 V Ob. 27.4 V Oc. 29.4 V Od. 23.4 V
The single-phase wave rectifier is used to charge a 200 V battery with an internal resistance of 0.2 as shown in the figure. SCRs are triggered by a steady dc signal. If SCR2 is made open circuit, what will be the average charge current?
Calculate the equivalent resistances Rin of the following circuits. (The resistance value of the diodes in the conduction will be 0, the resistance value of the diodes in the insulation will be taken as infinity. R1=10ohm