A transformer is designed to step down the 220 V. line voltage to 31 V. If there are 1115 turns on the input coil, how many turns should there be on the output coil?

Q: A tennis ball is hit into the air and moves along an arc. Neglecting air resistance, a. for…

A: Assume that the Tennis ball was hit from the ground at a speed u and an angle θ above the…

Q: ● What features of light indicate that light is a wave? ● What are the relevant parameters for a…

A: What feature of light indicates that light is a wave.

Q: When resistors 1 and 2 are connected in series, the equivalent resistance is 16.1 Q. When they are…

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Q: A patient of mass 78 kilograms is spiking a fever of 105 degrees F. It is imperative to reduce the…

A: Given data as per question T1  =  105F T2   =   98.6F m   =   78kg

Q: 3) Four point masses of 1.5 kg each are arranged in a square on massless rods. The length of a side…

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Q: A 4.5-kg plastic tank that has a volume of 0.38 m³ is filled with liquid water. What is the weight…

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Q: Thermal energy is produced in a resistor at a rate of 128 W when the current is 2.81 A. What is the…

A: Given data:  Power (P) = 128 W Current (I) = 2.81 A Required: Resistance (R)

Q: If acceleration due to gravity is 12 m/s², what will be the potential energy of a body of mass 2 kg…

A: Given data :           Acceleration due to gravity     =    g               Body  of  mass    =…

Q: What is the electric force between an electron and a proton placed 5.3 x 10^-11 m apart, the…

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Q: Calculate the momentum of a 938-MeV proton. Rest energy of proton is 938-MeV. A. 938 MeV/c B. 1876…

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Q: Two identical test cars are driving down a test track and hit their brakes at the same position. One…

A: Given Two identical test cars are driving down a test track One car is travelling at twice the speed…

Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?

A: Given data :- Force F = 200 N Area A = 4 m2

Q: What is the total resistance of a circuit when voltage is equal to 113.8 V and current is 36.3 A?

A: Dear student According to ohm's law, the relation between potential drop (V) across a resistor of…

Q: Question 10 QAM is a modulation technique that varies the baseband signal by referencing two…

A: Quadrature amplitude modulation (QAM) is family of digital modulation methods and a related family…

Q: If a current carrying wire is bent into a loop, why is the magnetic field stronger inside the loop…

A: Given: If a current carrying wire is bent into a loop, why is the magnetic field stronger inside the…

Q: From a boat at sea, the angle of elevation of the top of the cliff is measured at 12 mils. If the…

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Q: About how many joules of heat energy does it take to cook a pound of pasta? Use reasonable estimates…

A: Given The mass of a pound of pasta is about 0.45 kg To find out how many joules of heat energy does…

Q: 1. Identify the isotope notation for the isotope of iodine that has 67 neutrons. O 134 531 O 125 671…

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Q: 1.a) Water is moving through pipe with a cross sectional area of A1 = .8m^2 and a velocity of V1 = 6…

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Q: How do objects get electrically CHARGED? Due to electrons being rubbed off of one thing onto another…

A: When two objects are bring close to each other and than separated than some of the charge is…

Q: 3. A Figure skater of mass 70kg is gliding at a velocity of 3.5 m/s [E]. Their skating partner, of…

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Q: Two parallel straight wires that are 10 cm apart carry currents I1 = 10 A and I2 = 5 A in opposite…

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Q: All these are true for a positron, EXCEPT it _____ an electron. Group of answer choices a)has mass…

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Q: A sports car moving at constant velocity travels 110 min 5.1 s. If it then brakes and comes to a…

A: According to company guidelines we are allowed to solve only the first question, kindly repost the…

Q: What is the frequency of lig must be absorbed by a hy atom for its electron to iun

A: Givenn1=2n2=3

Q: A 5 W, a 20 W, and a 25 W resistor are connected in series and placed across a 120 V potential…

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Q: An electric field of 39000 N/C points due west at a certain spot. What is the magnitude of the force…

A: Given data:  Electric field (E) = 39000 N/C, due West  Charge (q) = -9.5 μC = -9.5×10-6 C Required:…

Q: If a current carrying wire is bent into a loop, why is the magnetic field stronger inside the loop…

A: current carrying wire is bent into a loop, why is the magnetic field stronger inside the loop than…

Q: a) The activity of a radioactive source is given by dN AN dt where N is the number of nuclei present…

A: A) The activity of a radioactive source is given by : -dNdt = λN initial number of nuclei = No at t…

Q: A machine gun fires 9 bullets /s, each of mass 15 g the speed to each bullets is 18 cm/-1 then force…

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Q: al energy of a river with 5m/s flow speed and 100m3/s of flow? If the leaving water still have 1m/s…

A: Givenv=5 m/sQ=100 m3/su=1 m/s

Q: A Van De Graaff generator is used to charge a metal sphere of 25-cm diameter metal that produces a…

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Q: Name: A person's heart and head are 1.3 m and 1.8 m above the feet, repectively. Determine the…

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Q: A 43.0-cmcm-diameter wheel, consisting of a rim and six spokes, is constructed from a thin, rigid…

A: Diameter=43cm Mass density=25g/cm Height=65mm

Q: For sound waves, different frequencies mean different (a) loudness (b) pitches (c) amplitudes. (d)…

A: Frequency is how often something happens in a given period of time.

Q: All these are reasons why particle synclotrons are so big, EXCEPT: Group of answer choices a)the…

A: Synchrotrons use varying electric and magnetic fields to accelerate particles to much higher…

Q: Tabulate the components and determine the resultant (magnitude and direction) of the given system of…

A: Given data: The forces are, FA=50.0 NFB=68.0 NFC=42.0 NFD=21.0 NFE=80.0 N

Q: If the acceleration of an object is zero,are no forces actingon it? Explain.

A: The acceleration of the object is given as a=0

Q: The temperature inside a Carnot refrigerator is4.60°C. What is the high temperature, Th, in Celsius…

A: Coefficient of performance of refrigerator is given by, COP = cooling effect/work input          =…

Q: A steam fan in a thermal power plant has a moment of inertia of 3 kg ∙ m2 about its axis of…

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Q: A) A large, open at the top, upright cylindrical tank contains a brine with a density of 1.23 ✕ 103…

A: (A) Given Data: The density of the brine is: ρ=1.23×103 kg/m3 The pressure of air is: Pa=101.3…

Q: What is the equivalent resistance for the resistors in the configuration below? 6.0 Q 10.0 Ω www…

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Q: 10. A 2200 kg truck travelling at 68 km/h slams on the brakes and skids to a stop. The frictional…

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Q: The drawing shows a set of equipotential surfaces seen in cross-sections. Each is labeled according…

A: The work done on the charge from A to B is - 5.4 × 10 -7 J and, The work done on the charge from A…

Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's in m/s² acceleration

A: Given  Radius of the curve = 20 m Speed of the ball 10 m/s To find out The magnitude of its…

Q: pieces of Rice-Krispies become equally charged as they are poured out of the box and into Kirk's…

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Q: A 450-gram metal cube, which is originally at 110 degree(s) C, is dropped into a 0.003 m³ volume of…

A: Write the given values with the suitable variables. mc=450 g=0.450 kgT1=110 °CT2=70 °CTf=78…

Q: An 800kg car accelerates from 54kph to 90kph as the engine is providing 40hp to drive the wheels.…

A: mass of the car (m) = 800 kg initial velocity (u) = 54 kph final velocity (v) = 90 kph power (P) =…

Q: Mass of a body is 10 kg, What is it's weight?

A: Given  Mass of body  M = 10 kg  To find  Weight of body

Q: The electric power generated by a single average size nuclear reactor block is typically between 400…

A: A nuclear fission reaction is the process by which an atomic nucleus splits into two or lighter…