Question 3: A step-down transformer has 15 turns in its primary coil and 10 turns in its secondary coil. A student applies 5 Volts sinusoidal signal with a frequency of 50HZ in the primary coil. What is the output voltage and frequency in the secondary coll?

Q: ary winding turns are 1000 and 100 respectively. Compute the following: i. secondary current; ii.…

A: Given: The power of the transfer is P=5 kVA =5000 W. The input voltage V1=2.5 kV=2500 V The number…

Q: A step-up transformer connected to a 200 V line is used to supply a hydrogen-gas discharge tube with…

A: here we use power = Vrms x Irms P = VI = constant

Q: A generator rotates at 90 Hz in a magnetic field of 0.1T. It has 1200 turns and produce a rms…

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Q: A 6 pole DC wave wound generator has 26 armature conductors with flux per pole is 21 mWb and the…

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Q: A mobile device charger has a step-down transformer to supply a 20.0 [V] to the mobile device from a…

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Q: A 200-loop circular armature coil with a diameter of14.0 cm rotates at150 rev/s in a uniform…

A: Given: Loop of circular armature coil is 200 Revolution is 150 rev/s Magnetic field  is 0.24 T

Q: What is the inductance of a coil if the coil produces an emf of 2.86 V when the current in it…

A:

Q: A step-down transformer has 70 turns in its primary coil and 14 turns in its secondary coil. The…

A: Given Primary coil - 70 turns Secondry coil - 14 turns Voltage ratio - 14/70 = 0.2

Q: A transformer has a primary coil with 450 turns of wire and a secondary coil with 900 turns. An AC…

A:

Q: A coil with a self-inductance of 2.0 H carries a current that varies with time according to…

A: when the current passing through the coil changes  then the emf is induced in the coil  which is…

Q: Ex. 7: When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100 V A.C. of…

A: We need to compute-Resistance (R)=?Impedance (Z)=?Self Inductance (L)=?The data given as-Applied emf…

Q: A transformer has a primary coil with 125 turns of wire and a secondary coil with 375 turns. An AC…

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Q: An oscillating LC circuit consisting of a 2.0 nF capacitor and an 8.0 mH coil has a maximum voltage…

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Q: goes L n

A: Initial value of current,                                         I1 = 0.200 A  Final value of…

Q: The maximum strength of the Earth’s magnetic field is about 7.0 x 10-5 T near the south magnetic…

A: Magnetic field = Frequency = f = 60 Hz Angular frequency = Area per turn = A = 0.016 m2 RMS…

Q: What is the minimum number of turns

A: Given: Earth's magnetic field, B=7.0×10-5T Area of turns, A=0.016m2 Voltage, E=120V Frequency,…

Q: Ex. 65 : When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a…

A: To find-(1) Resistance of coil (2) Inductance of coilGiven-E=D.C. voltage=100 VI=1 AErms=100 VF=50…

Q: Problem 10: A 75 turn, 10.5 cm diameter coil of an AC generator rotates at an angular velocity of…

A: Given that  N= 75  d= 10.5 cm  B= 1.4 T  w= 6.5 rad/s  t= 0 initially

Q: When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a 100…

A: When 100 volt DC is applied 1 amp flows through it Therefore Resistance  = 100/ 1 = 100 ohm…

Q: A secondary coil is located inside a primary coil. The coils contain no ferromagnetic core. A) The…

A:

Q: An oscillating LC circuit consisting of a 2.0 nF capacitor and a 1.0 mH coil has a maximum voltage…

A: Given: C=2nF = 2x10-9F L=1mH = 1x10-3H Vmax = 4V

Q: An AC generator with ten turns of wire, each having area A = 0.08 m?, and having a total resistance…

A: Given, Number of turns N = 10 turns             Area A = 0.08 m2            Resistance R = 12.0 Ω…

Q: An ac electrical generator is made by turning a flat coil in a uniform constant magnetic field of…

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Q: A transformer has a primary coil with 175 turns of wire and a secondary coil with 875 turns. An AC…

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Q: generate

A: If the strength of the magnetic field is also increased then the wire moves through a stronger…

Q: 67 turns in its primary coil and 13 turns in its secondary coil. The primary coil is connected to…

A: Given:Number of turns in the primary coil, Np=67Number of turns in the  secondary coil, Ns=13Voltage…

Q: A transformer has two sets of coils, the primary with N1 = 110 turns and the secondary with N2 =…

A: Answer:-  Given  Primary (N1) = 110 turns  Secondary (N2) = 1625 turns  Voltage of primary coil…

Q: A person is working near the secondary of a transformer, as shown in the figure below. The primary…

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Q: An AC generator has 50 loops of wire, with an area of 42 cm2, rotating at a frequency of 50 Hz in a…

A: Number of loops=50 Area=42cm² Frequency=50Hz Magnetic field=0.54T

Q: What is the magnitude of the average emf induced in the entire coil?

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Q: A 120 mH coil with a resistance of 0.420 Q is connected to a capacitor C and a 50.0 Hz…

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Q: A person is working near the secondary of a transformer, as shown in the figure below. The primary…

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Q: A transformer has two sets of coils, the primary with N1 = 111 turns and the secondary with N2 = 551…

A: number of turns in primary coil N1 = 111 turms number of turns in secondary coil  N2 = 551 turns.…

Q: A transformer has a primary coil with 150 turns of wire and a secondary coil with 300 turns. An AC…

A: Primary coil turns , N1 = 150  Secondary coil turns , N2 = 300   Δv = (160 V)sin(ωt) To find = rms…

Q: The primary coil of a transformer has N₁ = 320 turns, and the secondary coil has N₂ = 2 190 turns.…

A: Number of turns on primary coil, N1 = 320 turns Number of turns on secondary coil, N2 = 2190 turns…

Q: The primary and secondary winding of a 20 kVA transformer has 440 turns and 55 turns, respectively.…

A: Given data: A 20 kVA, 50 Hz, transformer has, The primary winding turns, N1=440 turns The secondary…