A transformer inside the power supply for a portable CD player has 500 turns in the primary coil and a voltage of 170V. If the output voltage is 6.80 V. (i) How many turns does the secondary coil have?  (ii) If the output current of the CD player has an amplitude of 1.50A, what is the amplitude of the current in the primary

Q: An AC generator consists of a 20.0-cm by 10.0-cm rectangular conducting frame with 300 turns…

A: Number of turns = n = 300 Length of rectangular loop = 20 cm = 0.2 m Breadth of rectangular loop =…

Q: A transformer has 100 turns in its primary coil and 2000 turns in its secondary coil. The emf in the…

A:

Q: If you are planning to make an idea charger (step down transformer) with an  output of 5.0V when it…

A: The required expression for the required ratio of output to input turns of coils is,

Q: The primary coil of an ideal transformer has 100 turns, and its secondary coil has 400 turns. If the…

A:

Q: 2) A standard motional emf setup in the xy consists of a constant, uniform magnetic field which…

A:

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

A:

Q: 1. (a) (b) A circular conducting coil with radius 3.20 cm is placed in a uniform magnetic field of…

A:

Q: By changing the magnetic flux through a coil of resistance 500 N, a current is induced in the coil…

A: Here we have to use Faraday law

Q: Suppose that a rectangular toroid has 2,000 windings and a self-inductance of 0.060 H. If the height…

A: The energy stored in an inductor is, U=12LI2

Q: decrease the inductance

A: The factors in which inductance of a solenoid depends are to be discussed here.

Q: In an 8-winding current coil in an ac generator, each winding has an area of A=0.09 m2 and the total…

A: Given: The number of windings in the coil is 8. The area of each winding is 0.09 m2.             The…

Q: Emk e = 400V, resistor R = 104 number of 100, switch S and a toroid of N = turns are connected in…

A:

Q: Suppose a generator has a peak voltage of 302 V, and its coil with 500 turns and a diameter of 5.48…

A:

Q: A sense coil is placed in the middle of a current spiral. The angle between the surface normal of…

A: Direction of the Magnetic field is parallel to the current spiral axis.

Q: 2). A transformer inside the power supply for a portable CD player has 500 turns in the primary coil…

A: Number of turns in primary coil (n) = 500 turns Input voltage (v) = 170 volts Output voltage (v') =…

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: In the figure, a 150-turn coil of radius 2.1 cm and resistance 4.2 Q is coaxial with a solenoid of…

A:

Q: 1. Stick Guy wired his stationary bicycle to an AC generator with a 250-turn coil, and a large…

A: See below

Q: Two coils close to each other have a mutual inductance of 29 mH. The current in one coil decays…

A: Given :- L = 29 mH I = I0 e-αt Io = 6A α = 1.5 * 10^3  s-

Q: The current in one coil decreases from 4.2 A to zero in 0.80-s. A 0.035-V emf is induced in a…

A: In the given question, The current in coil 1 decreases from 4.2A to zero. in 0.80s. An emf of 0.035…

Q: The current passing through a 0.40-H coil increases from 2.0 A to 10.0 A in 0.12 s. (a) Calculate…

A:

Q: A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0…

A: Faraday gave the principles of Electromagnetic Induction which meant that change in the magnetic…

Q: the induced current opposes the decay of current in the coil when the main current in the coil…

A: TRUE Self induction :-  Self inductance is the characteristic of the coil itself. The induced…

Q: The current in one coil decreases from 4.2 A to zero in 0.80-s. A 0.035-V emf is induced in a…

A:

Q: An alternating voltage given as; V=100 √2 sin100t is applied to a capacitor of 1 μF. Calculate the…

A:

Q: Two coils are placed near each other and they have a mutual inductance of 887.4 mH. If the current…

A:

Q: The coil of an AC generator has 200 turns of the area 1 m2. If the coil rotates in a uniform…

A: We are given number of turns and area of coil. We are given frequency of rotation. We are also given…

Q: Suppose a generator has a peak voltage of 227V, and its coil with 500 turns and a diameter of 7.33cm…

A:

Q: Two coils close to each other have a mutual inductance of 23 mH. The current in one coil decays…

A:

Q: A 75 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.20 T field,…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider a transformer, used to recharge rechargeable flashlight batteries, that has 500 turns in…

A:

Q: of copper wire are wrapped around one portion of an iron hoop, and 3000 turns of wire are wrapped…

A: Given:- The number of turn N1 = 2000  The voltage V1 = 15 V  Find:- how much voltage will appear…

Q: What is the magnitude of the rate at which the current though a 0.30-H coil is changing if an emf of…

A:

Q: Two coils of wire are placed next to each other. The current in the first coil increased from 0 to…

A: According to the laws of electromagnetic induction, the induced emf in the coil is given by  where,…

Q: A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0…

A:

Q: A 150 turn coil of radius 2.0 cm and resistance 5.5 Q is coaxial with a solenoid of 220 turns/cm and…

A: Solenoid.

Q: Two 52-turn coils are magnetically coupled so that a 7.12-A current in one coil produces a magnetic…

A:

Q: She then uses a permanent magnet of strength B = 0.5 mT to induce a voltage in the (same) coil.…

A: