A meter has full-scale deflection of 90° at a current of 1 A. The response of the meter is square-law. Assuming spring control, the current for a deflection 45° will be 0.25 A 0.67 A a) c) b) 0.50 A d) 0.707 A

A meter has full-scale deflection of 90° at a current of 1 A. The response of the meter is square-law. Assuming spring control, the current for a deflection 45° will be 0.25 A 0.67 A a) c) b) 0.50 A d) 0.707 A

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter10: Contactors, Relays, And Overloads

Section: Chapter Questions

Problem 19RQ

See similar textbooks

Related questions

Q: For the circuit shown in Fig. 3.91, find the current i₂ resistor by using Thevenin's theorem. in the…

A: Thevenin Theorem According to thevenin theorem, a complex electrical circuits can be simplified…

Q: Calculate the rms value of a sinusoidal current of maximum value 20A.

Q: For the circuit shown in Fig. 3.85, find the current i4 using the superposition principle. 20 V 292…

A: This is a problem of superposition theorem. According to superposition theorem a circuit with…

Q: If the penalty factor of a plant is 2, its incremented transmission loss will be A) 1 B) 0.5 c) -…

A: Given, The penalty factor of the pant, L=2. Incremented transmission loss, ∂PL∂P=?

Q: Find the resistance in k between nodes A and G (RAG) in the following circuit. Given: R1 = 2.6 ΚΩ R₂…

Q: In the given circuit, R₁ = 9 N₂ R₂ = 8 N, R3 = 9 N, and R4 = 8. Find Req www R₁ R2 www R3 ww R₁

A: Given: R1 = 9ΩR2 = 8ΩR3 = 9ΩR4 = 8Ω Find: Req = ?

Q: 4. Find the unknown currents marked in below figure. 20 A B 50 A A- c²7 D 4V 15A 1=2A 5. Determine…

Q: Question 1 In the differential voltage gain & the common mode voltage gain of a differential…

A: Given: Differential voltage gain, AddB=48 dB.…

Q: Vrms -BC π/6+ a *5π/6+α 3 V² sin² wt d(wt) 1/2

Q: A solar cell manufacturing company produces pure silicon ingots using the Czochralski process. The…

Q: Determine the node voltages in volts: 14 A a). Node voltage 1. [Select] [Select] -30 b). Node…

Q: CI mi Yı C2 ww k m2 Y2 F

A: Given: A mechanical system with two objects. To find: We have to find transfer function Y1(s)F(s)…

Q: Simplify the following Boolean expression ABC +A(B+C) +B(B+C)

A: Given Boolean expression, F=ABC+AB+C+BB+C.

Q: 10. Find the Norton's current in the circuit shown below. 10 S 30/30 A

A: The given ac circuit is,

Q: ) Calculate input resistance and cut-off frequency for open-loop and close loop.

A: The circuit is given as Now the overall gain of the amplifier will be Af=A0L1+βA0L,Here A0L→Open…

Q: 3 Find the complement of the following expressions: xy' + x'y z+z'(v'w+xy)

Q: Use the circuit shown in the image. Compute only the current though the 20 ohm resistor. 140 A 0.50…

A: Given, The circuit is,

Q: Problem 4.38 Given the electric field E = R 18 R² (V/m) find the electric potential of point A with…

Q: Calculate the pitch factor for an alternator winding with 36 slots, 4 poles, and coil span of 1 to…

Q: 1. Resistors R₂ = 2000 and R₁ = 3000 are connected in parallel. The combina- tion is then connnected…

Q: The effective resistance of a 2,200 V, 50 Hz, 440 kVA, 1-phase alternator is 0.5 ohm. On short…

Q: The SNR for coherent communication :system is higher than non-coherent True O False O

A: From the above question, SNR stands for the signal-to-noise ratio. A higher value of SNR is…

Q: The fixed annual grid extension cost for a community of 400 households is US$20,750. It is estimated…

A: Given data, Fixed annual grid extension cost = 20750 us $. Energy consumed by each house hold = 60…

Q: Given the circuit below with the following parameters: Vs = 4.5 V R1 = 3 ΚΩ R₂ = 2.7 KQ R3 = 3.6 ΚΩ…

Q: 26. Determine the current through R₂ in the following circuit. Consider using the current divider…

A: Given circuit:

Q: 3. Draw the stick diagram of XOR2 (Add labels: IN1, IN2, OUT, VDD and GND

A: As per Bartleby guideline we need to answer the first question only. Kindly repost the rest…

Q: A 2 Henry coil has a 60 Hz voltage connected to it. What is this coll's approximate inductive…

A: Given, Inductance of coil, L=2 H. Supply frequency, f=60 Hz.

Q: Add the following signed binary numbers as shown using one's complement arithmetic and two's…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: 10V- Figure 9.1 12 Ω www 822 6Ω HỎ b www R See Figure 9.1. What is the Thevenin resistance external…

Q: Two diodes are connected in series as shown in Figure 2.11a to share a total de reverse volt age of…

A: Note : It is mentioned that two diodes are connected in series in problem statement, however in…

Q: For the circuit shown in Fig. 3.91, find the current iz resistor by using Thevenin's theorem. in the…

Q: 13. Determine the loop currents in the network (Fig. 9) by mesh [Ans. 5 A; 8A] analysis method.

A: The given circuit is shown below:

Q: To complete the solar cell, an n-type material is diffused with the p-type base layer until a 1um…

Q: Q1- Consider a small hydro scheme with a head of 60 m and a flow rate of 5 m³/s. If the efficiencies…

A: Given head h=60 m flow rate =5 m3/s efficiencies are ηp =0.88 ηt =0.78 ηg =0.95 Poles P=24 frequency…

Q: A current of 20A flows through a load having a resistance of 2 ohm. Determine the power dissipated…

A: Current I = 20 A Load resistance RL= 2 Ω Coil resistance Rc = 0.01 Ω We have to find the the value…

Q: The hexadecimal equivalent of binary number 11101101 is BC DC ✓ ED EA

Q: Activity 2 - Draw the circuit to implement the following function F = A·B+ A.C And Simplify this…

A: It is given that: F=(A·B¯)+A·C¯

Q: A 230-V, single-phase domestic energy meter has a constant load of 4 A passing through it for 6 h at…

Q: Problem 8 24V гл Thev. Eg. via Test Source Method Зіх 552 4A ix√ √ Br 2 O b Use the Test Source…

A: Given,

Q: x+y+xyz

A: Given: x¯+y¯+xyz¯ To find: Simplify expression using boolean expression simplification. Note:…

Q: Again assume each channel of our power supply can provide 30 V and we want to run a 60 V hair dryer…

A: Two power supply channels are connected with common ground. each channel is of 30 V with maximum…

Q: 33. For the circuit shown in Fig. 29, calculate the current in the 62 - resistance by using Norton's…

A: Given circuit,

Q: R ww ww 2R (0.4)I

Q: A shunt resistance of 50 Q is required for extending the range of an ammeter from 100 μA to 500 μA.…

Q: 39. Determine the unknown resistance (R3) in the circuit of Figure 80. FIGURE 80 10 mA ( 30 V BE R₁…

A: This is a basic problem of circuits. The detailed solution is given in the next step.

Q: 1. Calculate the power of the 20 Volt source. Label the network properly prior to doing your work.…

Q: A standard air-filled rectangular waveguide has dimensions such that a = 2b. If the cut-off…

Q: Which conditions satisfy an ideal diode?

Q: Plot vo versus v, over the range -10 ≤v, S 10V for the circuit shown, given (1)VB = 5V an (DVB -5V.…

A: In this question, We need to plot the output voltage Vo and input voltage Vi as shown the circuit.…

Q: A. Find all the currents in the given circuit. B. Test your solution for the branch currents by…

A: It is given that: vg=150 V

Question

A meter has full-scale deflection of 90° at a current
of 1 A. The response of the meter is square-law.
Assuming spring control, the current for a deflection
45° will be
a) 0.25 A
c) 0.67 A
b) 0.50 A
d) 0.707 A
lo

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

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

Given the circuit shown, Calculate the Peak Output Voltage. Express your answers in two decimal places (i.e., 9.946 becomes 9.95, and 7.6 becomes 7.60). 4:1 D1 120 V rms RL 1.0 kN D2 elle lelll
Determine the loop currents Ia, I,, and Ic. 100 Ic 100 100 100 100 Ib 55V 100 V la
Exercise: What will be the o/p of the following meters? F.W.R H.W.R D'Arsonval Dynamo. meter PMMC PMMC meter meter meter E=10V 1) 2) 3
multirange ammeter was designed using direct method to give three scales with Rsh1= 0.001285989 0, Rsh2=0.000562552 0, and Rsh3=0.000100001 Q. The d'Arsonval meter has Rm=6 Q and full scale current of 1.5 mA. Find the ranges.? 8 (Ctrl) -
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
Q1] Answer the following questions: For figure (1): The object is subjected to two forces F1 = 25 N, and F2 = 50 N. Set x = 30° , 0 = 45° , and ß = 30°. 1- What is the magnitude of the resultant of these two forces? a) 39.4 N b) 80.1N c) 41.6 N d) 69.8 N e) 71.4 N f) 46.1 N g) None of them 2 - What is the direction of the resultant force measured counterclockwise from the positive x-axis? a) 14. 3° b) 392.6° c) 9.2° d) 322.9° e) 6.8° f) 344.2° g) None of them
In volt ampere characteristics the current increases with voltage a. Equally b. Sinusoidal c. Unequally d. Exponentially
There is 0.25A of current through a coil with 500 turns. What is the reluctance of the circuit if the flux is 125 microwebers
In an energy meter, creep speed is the speed of the aluminium disc's at O a. Full load condition O b. Over load condition O c. Half load condition O d. None of the above
The efficiency of any real wind turbine O a. can be more than 59.3% O b. can be less than 59.3% O c. is nearly 100% O d. is always equal to 59.3%
A wind turbine gives maximum output power of 1MW at a wind speed of 15m/s. Choose the correct statement for this wind turbine. a. The input wind power is 2.5MW b. The input wind power is 1.69MW c. The input wind power is 1.25MW d. The input wind power is 2.1MW
The maximum power that can be generated by a wind turbine is called Select one: O lock-in Power O Cut-in Power Rated Power O Cut-out Power