56. A coil has 6,000 turns of wire and a resistance of 380 N. The coil is rewound with the same quantity (weight) of wire, but has 13.400 turns. How many 0 will the new coil have? A. 1895 Q B. 1905 Q C. 1825 Q D. 1792 N
Q: The copper coils of a generator have an equivalent resistance of 10 Ω at 20°C. After being used for…
A: Given, The resistance of a copper wire at 20° C is 10 ohm. Let, at unknown temperature (say t)…
Q: 600. An electric water heater has a rating of kW, 230 V. The coil used as the heating element is 10…
A: GivenPower rating(P)=1KWVoltage rating(V)=230vLength of heating element( L)=10mresistivity…
Q: The length and diameter of a copper wire are found to be 100 and 0.002 m, respectively. Consider…
A:
Q: s a current of 40A at 220V. If 800 W is dissipated in the form of heat in the motor, how much power…
A: A self-excited DC shunt motor, also known as a shunt wound DC motor, is a form of self-excited DC…
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: A coil consists of 2000 turns of copper wire having a cross-sectional area of 0.8mm². the mean…
A: Given data, Number of turns N=2000 turns Area, A=8 mm2=0.8×10-6 m2 Length, L=0.8×2000=1600 m…
Q: Q3/ A coil consists of 2000 turns of copper wire having a cross-sectional area of 0.8 mm. The mean…
A:
Q: Q4 The resistivity of a coil of copper wire (1.8 km Length and 0.014 m diameter) at 18'C is 1.7 *…
A:
Q: If we want to make a coil consisting of an aluminum wire of length (100 m), so that it carries a…
A:
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: 1. A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Q2/ The resistivity of a coil of copper wire (1.8 km Length and 0.014 m diameter) at 18°C is 1.7 *…
A: A simple problem on netwrok subject , and topic is resistance variance with temperature. Look below…
Q: A coil of copper wire has a resistance of 90 N at 20°C and is connected to a 230 V supply. By how…
A: The value of resistance increased will demand more voltage drop for the same amount of current flow…
Q: For parts c) and d), X is the last digit of your student number. For example, if your number is…
A:
Q: A coil of copper wire has a resistance of 20 at 18°C. If the temperature coefficient of resistance…
A: To solve the above problem, one should know about the resistance calculation of a material. The…
Q: If we want to make a coil consisting of an aluminum wire of length (100 m), so that it carries a…
A: The solution is given below
Q: Two coils having 30 and 600 turns respectively are wound side by side on a closed iron circuit of…
A: Option b is correct. The detailed solution is provided below.
Q: A sample of wire (1 mm in diameter by 1 m in diameter) length) of an aluminum alloy (containing 1.2%…
A: Given: A wire of aluminium alloy is placed in electrical circuit such that its parameters are
Q: 2: Fill in the blanks: 1- Conversion (0.88µA) to (nA) is 2- The number of electrons pass through the…
A:
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…
A:
Q: If a coil of wire has a resistance of 20ohms at 40oC and 20 at 80oC,what will be the resistance of…
A: Given, R40=20 ΩR80=100 Ω
Q: 3) a) A wire sample (1 mm in diameter by 1 m in length) of an aluminum alloy (containing 1.2% Mn) is…
A: Voltage drop across the length= 432 mV. And current through it= 10 Amp. From ohm's law we know,…
Q: b. A heater coil is made using a material of cross section 3x10-6m2 and a resistivity of 4 x10-7Q-m.…
A: I) P = V^2 / R Given P = 4550 W. V= 50V R= resistance of heater coil 4550 = (50)^2 / R R =…
Q: A coil of copper wire has a resistance of 10 2 at 20-C. If the temperature coefficient of resistance…
A:
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: 4.5 Figure E4.5 shows a circuit for an ac voltmeter. It utilizes a moving-coil meter that gives a…
A: Moving coil meter is a uniform scale meter that measures the Average value. Moving coil meter can be…
Q: A coil of copper wire has a resistance of 62 ohms at a room temperature of 24 degrees Celsius. What…
A: In the question, Coil of copper wire Resistance R1= 62 ohm at T1= 24°C Find the resistance R2 at…
Q: Assignment (3) The resistance of the filed coils with copper conductors of a dynamo is 120 2 at…
A:
Q: two cartridge fuses
A: cartridge fuse It is a type of safety device that is used to protect equipment against overloads and…
Q: A coil of aluminum wire has a resistance of 50 when its temperature is 0°C. Determine its resistance…
A:
Q: If we want to make a coil consisting of an aluminum wire of length (100 m), so that it carries a…
A: Given: A coil consisting of aluminum wire having, Length, L = 100 m Carries a current, I = 5 A…
Q: Q3 Define Environmental errors? A PMMC with coil resistance of 300052 number of coil 300 turns with…
A: In this question we will find deflection angle for PMMC...
Q: A coil of copper wire has resistance of 90 Ω at 20°C and is connected to a 230- V supply. By how…
A:
Q: Example 1.1: A copper coil when connected to a 30 volt supply initially takescurrentof3 A and has a…
A: Given at 200 c V=30 V, I=3 A at 33.40 c V=30 V, I=2.85 A Temperature coefficient of resistance…
Q: A coil of aluminium wire has a resistance of 50 2 when its temperature is 0°C. Determine its…
A: Given: A coil of aluminium wire has, Resistance, Ro=50 ΩTemperature, T1=0 °CResistance,…
Q: The length and diameter of a copper wire are found to be 100 and 0.002 m. respectively. Consider…
A: In this question , copper wire length ,diameter and resistivity is given ..We have to find out…
Q: ou are working as an electrician in a large steel manufacturing plant, and you are in the generator.…
A: In the DC generator machine, there are two windings. the first winding is series winding which is in…
Q: 1) what is the potential transformer used for in power substation? 2) what is process leads to…
A: Note as there are several questions and we are asked to solve one question at a time. So please do…
Q: The resistance of the filed coils with copper conductors of a dynamo is 120 N at 25°C. After working…
A:
Q: A coil is made up of 1000 turns of 0.5 mm^2 cross-sectional area copper wire. The average length…
A:
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: C- A copper wire as a fuse element has a cross sectional area 0.0507 mm2. If its initial temperature…
A:
Q: A coil 250 turns is connected to a 50 V DC source. If the coil resistance is 10 ohm, the mmf…
A: Given a coil having, Total number of turns, N = 250 Connected across voltage source, V = 50 V (dc)…
Q: Two coils A and B known to have the same resistance are connected across a 110-volts, 60 cycle line.…
A: Given data, Two coils are connected in series. Resistance of both coils are same. Supply 110 V, 60…
Q: An electric water heater has a rating of 1 kW,230 V. The coil used as the heating element is 10m…
A:
Q: 4. The power taken by a 500ft resistive coil made of copper wire is 250 watts at 110V. Resistivity…
A:
Q: Two coils having 30 and 600 turns respectively are wound side by side on a closed iron circuit of…
A: In this question we have to find the induced emf for the following data given
Q: Example 1.3. A coil consists of 2000 turns of copper wire hav- ing a cross-sectional area of 0.8…
A: Given, A coil consist number of turns = 2000 Cross section area, A = 0.8 mm2 = 0.8×10-6 m2 Mean…
Step by step
Solved in 2 steps
- 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?If a coil of wire has a resistance of 20ohms at 40oC and 20 at 80oC,what will be the resistance of the coil at 0oC. oC = degrees celciusA coil is made up of 1000 turns of 0.5 mm^2 cross-sectional area copper wire. The average length each turn is 100 cm, and the copper resistivity is 0.02 µΩ m at 20 degrees Celsius. Determine the coil's resistance. Find the resistance of the coil at 20 degrees Celsius. * 30 ohm 40 ohm 50 ohm 60 ohm Find the resistance of the coil at 100 degrees Celsius if the temperature coefficient of resistance at 30 degrees Celsius is 3.7807 x 10^(-3) per degrees Celsius * 32.57 ohm 42.57 ohm 52.57ohm 62.57 ohm
- Two coils A and B known to have the same resistance are connected across a 110-volts, 60cycle line. The current and power delivered by the source are 5.8 Amperes and 500 watts,respectively. If the voltage across coil A is twice that across coil B, calculate the inductance ofcoil B.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.(BASIC ELECTRICAL ENGINEERING) A solenoid of iron core has a cross sectional area of 2.33 in2 and has a length of 1.89 ft. If the winding has a 2234 turns of wire what is the reluctance of the circuit? Show your complete solution and limit your answer into 3 decimal place only.
- The resistance of a coil aluminum wire at 21OC is 210Ω. The temperature of the wire is increased and the resistance rises to 240Ω. If the coefficient of resistance of aluminum is 0 .0039/OC at 21OC, determine the temperature to which the coil has risen.An electric water heater has a rating of 1 kW, 230 V. The coil used as the heating element is 10 m long and has a resistivity of 1.724 x 10-6 ohm - cm. Determine the required diameter of the wire in mils?Determine the resistance of a copper tube 0.5 cm and 2 m long. The external diameter and resistivity are 10 cm and 9.071349x10-2 Ω-m respectively. A coil of annealed copper wire whose resistivity is 10.37Ω-CM/ft has 820 turns, the average length of which is 9 inches. If the diameter of the wire is 32 mils, calculate the total resistance of the coils at 20o C
- A coil of Nichrome wire is 23.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. (a) If it carries a current of 0.600 A, what is the magnitude of the electric field in the wire?(b) If it carries a current of 0.600 A, what is the power delivered to it?(c) If the temperature is increased to 300°C and the potential difference across the wire remains constant, what is the power delivered? A coil of Nichrome wire is 23.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error.A copper (Cu) wire with a radius of 4 mm is connected to the end with an aluminum (Al) wire with a radius of 2 mm. Since a current of 20π milliamperes (mA) flows through the wires, which of the following is the current density in each wire correctly?A coil of copper wire in a resistance of 90 Ω at 20o 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 60C. Take the temperature coefficient of resistance of copper 0 0.00428/ oC A kilometer of wire having a diameter of 11.77 mm and a resistance of 0.031 Ω is drawn down so that its diameter is 5.0 mm. What does its resistance become?