In a torsion head type electrodynamometer a current of 25 A requires a deflection of 90° in the head to give balance (a) Determine the range in Amperes of the instru ment (maximum angle 360°) (b) What will be the deflection for a current of 20 A?

In a torsion head type electrodynamometer a current of 25 A requires a deflection of 90° in the head to give balance (a) Determine the range in Amperes of the instru ment (maximum angle 360°) (b) What will be the deflection for a current of 20 A?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems

Section: Chapter Questions

Problem 28RQ

See similar textbooks

Related questions

Q: A communications channel with a bandwidth of 4 kHz has a signal power to noise ratio of 7. The…

Q: A material has permittivity relaxation time constant 8.854 × 10-¹² F/m] € = : 460 and conductivity o…

A: Given, A material has permittivity, ε=4εo Conductivity, σ=10-14 Sm εo=8.854×10-12 Fm

Q: If the input voltage to a voltage tripler has an rms value of 44.98V, the AVERAGE output voltage (in…

A: Given thatInput voltage to a voltage tripler has an RMS value=44.98VWe have to find the average…

Q: Determine the output expression 2. Simplify the expression

A: The logic gate circuit diagram is shown below,

Q: Find the Thevenin equivalent with respect to the terminals a, b and determine the current across 1.5…

Q: 15 A transformer has a primary with N₁=10,000 turns, (4.6) and a secondary with Nz = 2,000 turns.…

Q: Determine Vand I for the network in Fig. T= + mA V R₁60 R₂1252 e

A: Given:

Q: Given the circuit below, find the equivalent resistance between a and b. 8Ω 12 Ω a b 6Ω d

A: The circuit is shown below: In the above circuit, the points c and d are at the same potential,…

Q: Find 12 in the circuit shown below. 4 13 30 15040° 712 a) 8.72-1.37⁰ b) 3/-48 7⁰ 5+j6 30/90° 6-j5 c)…

Q: a)If the open loop transfer function of a unity negative feedback is given by 45 G(s) = (s +15) (s +…

A: Given: A closed loop system, Open loop transfer function, Gs=45s+15s+1 Unity negative feedback, Hs=1…

Q: Determine the value of emitter to collector voltage, VEC shown (Take VEBON-0.7 V, B-50)

A: The required parameter can be calculated by using the DC analysis of the amplifier circuit.

Q: The voltage applied to a circuit is v=230 sin (ωt +30°) and the current through the circuit is i =…

A: We have been asked to find, Parameters of given circuit (Z, R, X) Power Consumed by Circuit The…

Q: Grade the resistance of a 5 section starter for a 3.7 kW, 250 V, 1000 rmp D.C. shunt motor from the…

Q: With zero volts on both inputs, an OP-amp ideally should have an output ..... 1. equal to the…

A: Given when both the inputs of the op-amp are zero then we have to find the output of the IDEAL…

Q: 1) Find I, and I2 in the circuit below. + 1₁ www ww 6 A 5 A ww 12 ww 2 A ww

A: Given circuit,

Q: Identify the correct KCL equation when applied at node t a) b) R ww d) Ux-V1 R₁ V1-Vx V2 Ux R₁ R₂ +…

A: Given network,

Q: Ad Zeq- Bo O a. Ο b. Ο c. O d. 1 Ω -j2 Ω Zeq = 3,8 - j0,6 Ω Zeq = -3,8 - j0,6 Ω Zeq = 3,8 + j0,6 Ω…

Q: A load impedance ZL = 200 + J160Ω must be married on a 100Ω line using an open parallel estub tuner.…

A: A load impedance ZL=200+j160 Ω must be matched on a 100 Ω line using an open parallel stub. We need…

Q: The magnetic field in free-space is given by = 3π The value of ß is a. 3 b. 2π/3 C. 6TT d. 1/3 e.…

A: Given, The magnetic field in free space, H→=13πcos108t+βz a^y Am Speed of light, c=3×108 ms

Q: 3. A series circuit is composed of a 4.5 V battery, a diode, and a 100-ohm resistor for a forward…

Q: For the circuit shown below, The current (1) can be calculated as: Vin O a. Vin O b. O C. Vin R1 O…

A: Given, The circuit shown

Q: In the case of a PMOS transistor device, what voltage bias conditions would be necessary to ensure…

A: As we know in PMOS transistor body or substrate is N type material, However Source and Drain are P…

Q: If the two-stage amplifier is driven by a 7502, 50mV source and the 18k, determine the following…

A: Given

Q: Exercise 1: Define in scilab the row vector V = [1 4 17 23 10] 1. Transform the vector V into a…

A: 1. Command for transform into column vector V=[1 4 17 23 10] (This command is…

Q: For the circuit shown, calculate the magnitude of line current at line Cc. ΤΑ EAB ECA = 208 V 120° B…

Q: What will be the meters reading? Voltmeter V, 24 V XMM1 Xid www R₁ = 1.5k2 R₂ = 2.5k2 XMM2 Ammeter

A: Given circuit,

Q: Calculate the current flowing through the 12 resistor in the given circuit using Norton's theorems.…

Q: Design an 8-4-2-1 BCD code converter to drive a seven-segment indicator. The four inputs to the…

A: The required circuit can be designed by deriving the truth table and the simplified Boolean…

Q: For the above JFET amplifier. loss 2.71mA, Vp=-4V. Also given is the drain potential and it is equal…

A: Given- IDSS= 2.71 mA VP= -4 Volts VD= 6 Volts To find- VGS=? VDS=?

Q: If the apparent power of an ac circuit is 111.84 kVA, Find the magnitude of the active power if the…

Q: Q4. An 8-pole DC generator has 400 armature conductors and a useful flux of 0.05 Wb. What will be…

Q: Suppose Bob joins a BitTorrent torrent, but he does not want to upload any data to any other peers…

A: Part (a) :Bob can indeed download a complete copy from BitTorrent. The seeders(users with the…

Q: A sinusoidal voltage has a value of 100 volts at 2.5 milliseconds and completes one cycle. It takes…

Q: 2. Determine I using superposition theorem. Show circuit with each independent source acting alone…

Q: Find the power angle

Q: Please show a two-terminal general modulation channel model. And for the random parameter channel,…

A: Modulation: Conversion of analog signal by sampling into 0 and 1 bits through carrier wave…

Q: Given the points a. the vector RMNi b. the dot product RMN RMP; c. the scalar projection of RMN on…

Q: Referring to the circuit below, design Rs such that VD-1.5 volts. Determine what the VDS value is?…

A: Given: VD=1.5 Volts,VTN=1.7 Volts,kn=0.4 mAV2

Q: A single-phase electrical load draws 1000KVA at 0.6 power factor lagging Find the real and reactive…

A: Given data, Apparent power S = 1000 KVA Power factor cosϕ=0.6 sinϕ=1-0.62=0.8

Q: The Widlar current mirror circuit shown in Fig. Q2.b is required to provide Io = 5 µA and Iref = 1…

A: Given:- Io=5μAIref=1 mAVcc=30 VVBE1=0.7VVT=26 mVβ=100VA=150 V We have to find R, RE and Ro

Q: 8.5 In a single-phase full-bridge PWM inverter, the control logic for power electronics devices is…

A: Given that A single phase full-bridge PWM inverter. Load resistance, RL=5 ohm Input voltage, VDC=100…

Q: A capacitor is made of a solid metal sphere of radius a = 2cm and a spherical thin metal shell of…

A: Given a capacitor is made of a solid metal sphere having, Inner radius, a = 2 cm Outer radius, b = 6…

Q: A GaAs sample is doped n-type at 6 × 10¹7 cm3 Find out the position of the Fermi level at 300 K…

A: We have an gallium arsenide (GaAs) with sample doped n-type and we have been asked to find fermi…

Q: Given H(s) = 70(s+200) s+7,000 a) What is the zero of this function in the form s + Z₁? Z₁ = b) What…

A: The poles and zeros of the transfer function can be calculated by equating the numerator and…

Q: A series circuit contains a 20-ohm resistor and a capacitor with a value of 75uF. If the circuit has…

A: Given: A series RC circuit R=20 ΩC=75 μFf=60 Hz

Q: Find Vy using Nodal analysis in the circuit shown below

A: The node voltage can be calculated by using nodal analysis and the node equation can be obtained by…

Q: The impedances, Z₁ = 6 + j8, z₂ = 8 − j6, and Z3 = 10 + j0 ohms are measured at 60Hz, form three…

Q: the average output voltage

Q: What inductance will give the same reactance as a capacitor of 2 µF when both are at 50 Hz? 5 H 10 H…

Q: Analog signal may be converted into digital signal by

A: The correct option along with the explanation is provided in the following section.

Concept explainers

Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

12. What is the use of Wheatstone bridge in a force measurement device? Please also give the name of measuring device for the purpose. A) Fiber Optic load cell B) Electronic load cell C) Strain Gauge Load Cells D) Linear Displacement Sensors
2. Explain the principle of operation for the following meters a. Moving Iron meter b. Electrodynamic instrument
!.With the aid of a diagram explain bourdon gauge and how it works !!. Explain the principle of operation of the electrical resistance strain gauge
what is pacemaker, Explain in detail different types of pacemaker
Which of the following is NOT a variable in voltametric methods? A. How the current is applied B. How the potential is applied C. The inclusion of convection D. All the above E. Type of working electrode
the deflection torque of ammeter is directly proportional to the current through it. If a current 10 A deflects the pointer by 90○ . Find the value of current for a deflection of 60○ when the instrument is (a) spring controlled and (b) gravity controlled.
22) What type of conversion is happening in a DC Motor. a. DC electrical energy to mechanical energy b. AC electrical energy to mechanical energy c. Mechanical to AC Electrical Energy d. Mechanical to DC Electrical Energy
PMMC type meter has a full scale deflection of 10 mA. The resistance of the coil is 30 ohm So, (1) Value of shunt for ammeter of 50 A range and (2) Find the value of series resistance required for the range up to 500 V.
9. What is one of the most common analog meter movements? Select one: A. CONCENTRIC VANE B. D'ARSONVAL MOVEMENT C. PLUNGER D. MOVING IRON
The deflection angle of the pointer of an ideal moving iron meter is 20° for 1 ampere dc current. If a current of 3 sin(314t) is passed through the ammeter, then the deflection angle is ?
A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at a current of 8A. Calculate the radius of the wire that will blow off at a current of 1 A. Also calculate the Value of blow off current when radius is 0.5 mm
Determine the value of R1 that will ensure proper turn-on and turn-off for the following values: eta = 0.33, valley voltage at 0.8V, valley current at 15 mA, peak current at 35 micro Amperes, and peak voltage at 18V.