Answered: 2. Acoil has 6,00 turns of wire and a…

2. Acoil has 6,00 turns of wire and a resistance of 380 ohms. The coil is rewound with the same quantity (weight) of wire, but has 13,400 turns. How much resistance does the new coil have?

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 2RQ

See similar textbooks

Related questions

Q: A copper coil, when connected to a 30-volt supply, initially takes a current of 3 A and has a mean…

A: In this question we need to find a temperature coefficient of resistance at 0oC. Let resistance at…

Q: 1. Two conductors have equal resistances at 0°C. If one is made from copper and the other one from…

A: Here, we have given two conducting materials: Copper and Aluminium. The resistance of these…

Q: 2. An ohmmeter is used to measure the wire resistance of a coil at 45 2. When connected to a 120…

Q: A coil of wire of resistace 50 ohm is embeded in a block of ice. What is the amount of ice melted in…

Q: 59. An electric heater is marked 2000 W, 200 V. The resistance of the coil is (1) 0.1 Ω (ii) 20 Ω…

A: Given: An electric heater power rating, P = 2000 W Voltage rating, V = 200 V

Q: copper coil, when connected to a 30-volt supply, initially takes a current of 3 A and has a mean…

A: As per our guidelines we are supposed to be the first question only. Kindly repost the other…

Q: k)A coil consists of 2000 turns of copper wire having a cross-sectional area of 0.8 mm². The man…

A: No> of Turns= 2000 Length per turn = 80 cm Area=0.8 mm2 Resistivity of copper =0.02 micro ohm-…

Q: What is the resistance of a coil which draws 200 micro Ampere from a 120 V supply?

A: Given, Voltage across coil(V) = 120 V Current drawn by coil (I) = 200 micro Ampere

Q: A 16Henry coil has a resistance of 7 ohms and is connected in series to a 24 V battery and a switch.…

Q: The copper field winding of an electric machine has a resistance of 46 ohms at a temperature of…

Q: A nickel coil has a resistance of 13Ω at 50°C. If the temperature coefficient of resistance at 0°C…

A: Given: R50°C=13 Ωα=0.006/°C'R0°C=?

Q: a method of joining two conductors usually applied in power circuits in household premises A.…

A: The method of joining two conductors usually applied in power circuit generally known as splices.

Q: A coil, of resistance 35 Ohm's and inductance 0.02 H, carries a current of 326.5 mA, when connected…

Q: Find the resistance and peak current in a 1000 W heater connected to a 220V-AC line.

Q: 9. A 225 µH choke coil of negligible resistance is to limit the current through it to 25 mA when 40…

Q: The resistance of a coil was found to be (29 m Q) at a temperature of (15 oC), and (36 m Q) at a…

A: Given R0=29 mΩR0=29×10-3 ΩRT=36 mΩRT=36×10-3 ΩT0=15 0CT=80 0C

Q: A coil has a resistance of 14 Q at 50°C. If the temperature coefficient of resistance at 0°C is…

A: Given a coil has, AT temperature, T1=50 °C Resistance, R1=14 Ω Temperature coefficient at 0 °C is,…

Q: Two coils A and B known to have the same resistance are connected in series across a 110-V, 60-cycle…

Q: copper coils of a generator have an equivalent resistance of 9.5 Ω at 20 °C. After being used for…

Q: 3. A coil has a resistance of 32 ohms and reactance of 24 ohms when connected across a 440V, 60HZ…

Q: A cell has a terminal voltage that changes from 1.5 volts to 1.4 volts when a 10 ohm load is…

Q: 2. A platinum coil has a resistance of 3.146 ohms at 40 deg. C and 3.767 ohms at 100 deg. C. Find…

Q: The copper field winding of an electrical machine has a resistance of 46 ohms at a temperature of…

Q: QI: Calculate the reading that would be observed on a moving-coil ammeter when it is measuring the…

Q: A copper conductor wire with a total length of 100ft is used in a 15 amp common household circuit…

A: In this question, A copper conductor wire with a total length of 100ft is used in a 15 A. If…

Q: Two coils A and B known to have the same resistance are connected in series across a 110V, 60 cycle…

A: Given Data: V = 110 V f = 60 Hz P = 300 W I = 4.1 A

Q: A platinum coil has a resistance of 3.146Ω at 400C and 3.767Ω at 1000C. Plot/graph the Resistance…

A: This question is from "Instrumentation". Under which we are going to study R.T.D (RESISTANCE…

Q: A current of 5 mA flowing through a DC motor when the applied voltage is 24 V. What is the…

A: we need to find out resistance of the motor coil.

Q: A coil developes heat of 800 cals/sec. When 20 V is supplied across it. The resistance of the coil…

A: Given, A coil develops heat of 800 cals/sec. Supply voltage, V = 20 V

Q: Home work: A current of 0.75 A is passed through a coil of nichrome wire which has a cross sectional…

Q: 10. A resistive coil draws 2 A at 110 V after operating for a long time. If the temperature rise is…

A: In the question, A resistive coil draws 2A at 110V after long time. If temperature rise 55°C from…

Q: H.W-2:- The resistance of copper coil resistance at (100"c), given that the temperature coefficient…

A: To solve above problem one should know about resistance calculation of a material. The resistance of…

Q: A single core cable 6.5 km long has an insulation resistance of 0.4 MΩ The core diameter is 15 mm…

A: We have an single core cable2 and we have been asked to calculate the resistivity of the insulating…

Q: A snubber protection circuit has snubber time constant (5msec), voltage source (5kV), discharge…

A: Given:Snubber protection circuittime constant, τ=5msSupply voltage, V=5kVdischarge current,…

Q: A 25 HP motor located 400 ft from a 240V source is supplied through a copper feeder. it is desired…

Q: A coil is wound from a 10 m length of copper wire having a cross sectional area of 1.0 mm².…

A: This question belongs to circuit theory . It is based on the concept of formula of resistance .…

Q: A moving coil instrument has a coil resistance of 100 ohms and it can take maximum current of 10 mA.…

Q: - When a voltage is applied to a coil or the applied voltage is cut off, the current of the circuit…

A: When a battery across a coil disconnected then current through the coil stable after some time…

Q: Two coils are connected in parallel across 100-V supply mains take 10A from the line. The power…

Q: H.W-I:- A platinum Coil has a resistance of 3.146 at (40°c) and 3.7670 at (100°c). Find the…

Q: patient is connected to a pressure monitor by way of a catheter. Resistance of catheter is 6000 Q.…

A: Since all the resistance will comes in series so, Equivalent circuit will be

Q: Problem 2. An aluminum wire wire has a length of 200 m and a diameter of 10 mm. Find its resistance…

Q: caclulate the power expended in the coil branch. (in watts) thank you!

A: In this question we need to find a active power absorbed by coil.

Q: 6. A copper coil has a resistance of 200 ohms when its mean temperature is 0 degree centigrade.…

A: we need to find out R.

Q: 200 Ohm

Q: An electric water heater has a rating of 1 kW,230 V. The coil used as the heating element is 10m…

Q: 4. The power taken by a 500ft resistive coil made of copper wire is 250 watts at 110V. Resistivity…

Q: Q4 / A coil resistance is wound with 45m of 0.12mm diameter wire resistivity 12x10° 2.m. Calculate…

A: Since the wire with the first dimension is to be replaced with the wire with the second dimension.…

Q: A 50kW motor is used to drive a fan that has a total head of 110m. If fan efficiency is 70%,…

A: Given, Bp=50 kWHT=110 mηf=70 %

Question

Draw a figure and show the complete solution.

2. A coil has 6,00 turns of wire and a resistance of 380 ohms. The coil is rewound
with the same quantity (weight) of wire, but has 13,400 turns. How much
resistance does the new coil have?

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

The copper coils of a generator have an equivalent resistance of 9.5 Ω at 20 °C. After being used for several hours, the resistance is found to be 12.2 Ω. Determine the temperature of the coils in °C.
The copper coils of a generator have an equivalent resistance of 10 Ω at 20°C. After being used for several hours, the resistance is found to be 12 Ω. Determine the temperature of the coils.
2. A coil of copper wire has a resistance of 20 at 18°C. If the temperature coefficient of resistance of copper at 18°C is 0.004/°C, determine the resistance of the coil when the temperature rises to 98°C?
The resistance of 10m of a specially drawn wire is found to be 32.1 ohms. A coil wound with identical wire has a measured resistance of 702 ohms. What is the length of wire in the coil?
A coil has a resistance of 100 Ω at 90°C. At 100°C, its resistance is 101 Ω. The temperature coefficient of the wire at 90°C is
A coil of copper wire has resistance of 90 Ω at 20°C and is connected to a 230- V supply. By how much must the voltage be increased in order to maintain the current constant if the temperature of the coil rises to 60°C ? Take the temperature coefficient of resistance of copper as 0.00428 from 0°C.
How can you explain scientifically the generation of high voltage to feed the ignition plugs in car engine about 11KV while the voltage source is a battery 12V
A coil developes heat of 800 cals/sec. When 20 V is supplied across it. The resistance of the coil is ? (1 cal = 4.2 J)
A coil, of resistance 35 Ohm's and inductance 0.02 H, carries a current of 326.5 mA, when connected to a 400 Hz a.c. supply. Determine the supply voltage.
An electric heater is constructed by applying a potential difference of 104 V across a wire with a resistance of 5.0 ohm. What is the power rating of the heater?
A 16Henry coil has a resistance of 7 ohms and is connected in series to a 24 V battery and a switch. Assuming that the total resistance of the connecting wires, switch and battery is 1ohm. Determine the following: a) the curve of current build up b) the final value of current c) the current at 1 TC
What is the resistance of a coil which draws 200 micro Ampere from a 120 V supply?