A transformer has 200 turns on the primary and 20 turns on the secondary. The primary is connected to a direct current source of 100 millivolts. The voltage in the secondary coil will be 20 millivolts. zero. 1000 millivolts. 4000 millivolts. 10 millivolts.

Q: generator supplies 120 V to a transformer's primary coil, which has 58 turns. If the secondary coil…

A: Given Primary voltage Vp = 120 V Number of turn in primary Np = 58 Number of turn in secondary Ns =…

Q: A transformer consists of a 500-turn primary coil and a 2000-turnsecondary coil. If the current in…

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Q: A, what is the current in the primary?

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Q: A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much…

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Q: 10. A circular wire coil with 10 turns and radius 1.67 cm is placed in a uniform magnetic field of…

A: The number of turns in the wire coil: N = 10. The radius of the wire coil: r = 1.67 cm (0.0167 m).…

Q: A generator supplies (2.460x10^2) V to the primary coil of a transformer. The primary has 50 turns…

A: Given data :  Voltage in primary coil Vp = 2.460 × 102 V  Number of turns in primary coil Np = 50…

Q: What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…

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Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given :     Number of turns in primary, NP = 100    Number of turns in secondary, NS = 400…

Q: A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located…

A: Given: P = 1.4*106Wd = 5.6 kmr = 4.5*10-2 Ω/KmV=1600 VNs/Np=100/1

Q: A transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in…

A: Given Number of turns in the primary N1 = 500 turns Number of turns in the primary N2 = 2000 turns…

Q: transformer is used to step down 160 V from a wall socket to 9.3 V for a radio. (a) If the primary…

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Q: A transformer has 670 primary and 230 secondary turns. An alternating potential of 70 V is applied…

A: Given data:Vp=70 V The number of primary turns is Np=300 The number of secondary turns is Ns=230…

Q: The primary coil of a transformer is coupled to DC power supply (a battery) that provides an…

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Q: Calculate the peak voltage of a generator that rotates its 220-turn, 0.100 m diameter coil at 3400…

A: GivenNumber of turns (N) = 220Diameter of the coil =0.100 mMagnetic field (B) = 0.860 Tcoil is…

Q: When a 240 V power supply supplies current which changes direction 100 times per second to the…

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Q: How fast (in rad/s) must a 92-turn coil spin in a 0.039 T field to create a peak voltage of 8.3 V?…

A: Given number of turns = N = 92 strength of magnetic field = B = 0.039 T peak voltage = Vmax = 8.3 V…

Q: A generator uses loops of area 0.239 m^2, rotating 373 rad/s in a 0.0639 T magnetic field. How many…

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Q: A spacecraft orbiting the Earth has a coil of wire in it. An astronaut measures a small current in…

A: Given A spacecraft orbiting the Earth has a coil of wire in it. An astronaut measures a small…

Q: Ex.3-Cell phone charger. The charger for a cell phone contains a transformer that reduces 120- V (or…

A: V1= 120v  V2= 5v  N2= 30

Q: QUESTION 6 A transformer with primary 928 windings and 6,380 secondary windings has an input voltage…

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Q: A generating station is producing 1.1 x 10° W of power that is to be sent to a small town located…

A: Power generated (P) = 1.1×106 Watt distance (d) = 7.5 km resistance per unit length of each wire =…

Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given: The number of turns in primary coil is N1=100 The number of turns in secondary coil is…

Q: A circular wire coil with 26 turns and radius 3.81 cm is placed in a uniform magnetic field of…

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Q: 7. An electric power station that operates at 25 kV and uses a 10:1 step-up ideal transformer is…

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Q: Spike left his car headlights on overnight and the battery has gone flat. Carly suggests that rather…

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Q: 16. The 12.0 cm long rod in Figure 23.11 (a) moves at 4.00 m/s. What is the strength of the magnetic…

A: For the given situation  Length of rod (l) = 12.0 cm = 0.12 m Velocity of rod v = 4 m/s Emf induced…

Q: A generating station is producing 1.4 x 106 W of power that is to be sent to a small town located…

A: Power generated (P) = 1.4×106 Watt distance (d) = 5.6 km resistance per unit length of each wire =…

Q: w many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 405…

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Q: A plug-in transformer supplies 9.00 V to a video game system. (a) How many turns are in its…

A: For a transformer, VsVp=NsNp=IpIs…

Q: 1. A city of 30, 000 people receives 1.25 kW per person from a pair of transmission lines across…

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Q: A multipurpose transformer has a secondary coil with several points at which a voltage can be…

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Q: Calculate the peak voltage (in V) of a generator that rotates its 220 turn, 0.100 m diameter coil at…

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Q: A primary coil of a transformer is connected to a 120V source and draws a 12 A. The secondary coil…

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Q: ransformer has 770 primary and 190 secondary turns. An alte V is applied to the primary. What is the…

A: Given values:- Number of primary turns,(NP)=770 -----(1) Number of secondary turns,(NS)=190 -----(2)…

Q: A voltage generated by moving a magnet in a coil of wire is called "induced voltage." True False

A: Required : True or False.

Q: The voltage and current on the primary of a transformer are 39.61 volts and 9.49 amps, respectively.…

A: Given: The voltage of the primary coil = 39.61 v Current in the primary coil  = 9.49 A Voltage in…

Q: A generating station is producing 1.3 x 106 W of power that is to be sent to a small town located…

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Q: A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is…

Q: A 140-turn circular coil has diameter 4.5 cm. A magnetic field perpendicular to the coil is changing…

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