A PMMC instrument gives 19 mA at full scale reading when a potential difference across its terminals is 41mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0 -2 A (b) as a 0 – 630V range voltmeter for the voltage measurement. (C) find the multiplying factor of shunt and (d) voltage amplification Rsh shunt resistance R1 series resistance multiplying factor for current voltage amplification

A PMMC instrument gives 19 mA at full scale reading when a potential difference across its terminals is 41mV. Show that how it can be used (a) as an ammeter for the current measurement in the range of 0 -2 A (b) as a 0 – 630V range voltmeter for the voltage measurement. (C) find the multiplying factor of shunt and (d) voltage amplification Rsh shunt resistance R1 series resistance multiplying factor for current voltage amplification

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

See similar textbooks

Similar questions

What is CEMF?
For the following bridge rectifier circuit, assume Vm = 5 V. Analyze the circuit and plot the waveshape Vo (t) as a function of time for one full cycle. Show all supporting circuit diagrams as required. Compute Vde (V). The diodes are ideal diodes. Võ Vm The PI D2 Vo - Vm 2. 2h2 2-22 (2.2ks) 2.212
Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V ams 5OHZ İL-DC =05A RL VL-DC =20V
2. Draw the graph of the voltage across the 10K resistor (calculate the values for the different voltages across the 10K resistor) of the circuit in the figure, knowing that the voltage source V is sinusoidal. And the diodes are silicon
In the circuit shown in the figure, draw vx and v0 with a scale according to the input voltages. note = R1 = 10Kohm R2 = 1kohm R3 = 1Kohm, threshold voltages of diodes shall be VE = 0.7V.
Consider the following circuit: VI R₁ = 4kQ2 IDI R₂ = 8 ΚΩ D₁ ID2 R3 = 6 ΚΩ D2 ID3 + 1.0 V - VO R4= 4 ΚΩ D3 + 2.0 V Figure 1: Diode circuit for the Question Please find Ip1, ID2, IDs and to using constant voltage drop model for diodes. UF 0.7 V. v1 = 3V.
Consider the Zener diode circuit shown in Figure. The Zener Breakdown Voltage (Vz) is 5.6 V at Iz= 0.1mA. Zener resistance is rz= 10 0. What is Vo without load (RL= ) ? R= 0.5 ko Vo R Vps= 10 V
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.
H.W: Determine Vo and ID for the circuit in figure below after adding a resistance of 2kQ in series with both diodes +20 V Si St 4.7 ks2
Draw the input waveform and output waveform for the circuit given below with proper values marked in the figure. Assume D1 as germanium and D2 as silicon diodes. Input Vpp=20V, V1=5 v and V2=8 V. R DZ D1 Vin Vout V2 Maximum voltage of output waveform Minimum voltage of output waveform Windows hui
Determine the minimum and the maximum input voltages that can be regulated by the Zener diode shown in figure 5. From data sheet the Zener diode has the following values: Vz=9.5 V at IZ1=65 mA, IzK =5.5 mA, PDmaxN)=1.25 W, and Z, = 15 N . R Vout 650 Q Vin 4 Vz Figure 5
Plot the output voltage for a period of time for the input voltage Vi in the figure. (Note: the diode used is silicon diode and will not be considered ideally.)