Question 1: A step-up transformer has 2 turns in primary coil and 10 turns in the secondary coil. A student applies 5 Volts and 1 Ampere DC in the primary coil. What is the output in the secondary coil?
Q: A neon sign transformer has a 360W AC output with an rms voltage of 17 kV when connected to a normal…
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Q: Here you see the circuit board that I passed around in class one day, the control board from my…
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Q: The transformer of a neon lamp operates from an alternating source of 220V. The light bulb requires…
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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: You are told that the primary coil in a transformer has a power of 100 Watts. The secondary coil is…
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Q: mer consists of 295 primary windings and lary windings. ▼ If the potential difference across the…
A: winding in primary coil (N1) = 295 winding in secondry coil (N2) = 834 Potential difference across…
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: The primary coil of a transformer has N1 = 250 turns, and its secondary coil has N2 = 1500 turns. If…
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Q: A transformer has 60 turns in the primary and 1935 turns in its secondary. The voltage across 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: Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A…
A: If mutual inductance M then current in one coil I will causes the flux ϕ in another coil as ϕ=MI…
Q: The maximum induced emf in a generator rotating at 210 rpm is 45 V. How fast must the rotor of the…
A: Given that: E1=45 vω1=210 rpmE2=56 vω2=?
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: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted…
A: The equation for the current in terms of power and voltage is,
Q: V= ? 17,000 V 21. From the energy conservation point of view, the input power of the first…
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Q: A transformer on a pole near a factory steps the voltage down from 3.60X103 Volts (rms) to 120.…
A: We need to calculate power delivered to the primary, current in primary as well as secondary coils.
Q: Problem 8: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once…
A: Part (a)Find the relation between current, power and voltage.
Q: A scale train transformer is plugged into 120 V ac and draws 0.35 A while supplying 7.5 A to the…
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Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A: Given Data:Voltage used to generate electricity Voltage gain by the old transformer Voltage gain by…
Q: A mobile x-ray imaging system operates on 110 V AC power. Its maximum capacity is 110 kVp and 100…
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Q: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…
A: consider the transformer arrangement as shown
Q: A step-down transformer has 600 V across the primary coil and 120 V across the secondary. The…
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Q: During a 58-ms interval, a change in the current in a primary coil occurs. This change leads to the…
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Q: The input coil of a transformer has 10 windings. The output coil has 40 windings. If an AC current…
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Q: The primary coil of a step-down transformer is connected across the terminals of a standard wall…
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Q: A step-down transformer has 63 turns in its primary coil and 20 turns in its secondary coil. The…
A: Given: Number of turns in the primary coil, Np=63 Number of turns in the secondary coil, Ns=20…
Q: A step-down transformer has 56 turns in its primary coil and 30 turns in its secondary coil. The…
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Q: An iron core transformer is as shown in the figure. The primary coil has Np = 2000 turns and the…
A: The number of turns in the primary Np=2000 turns The number of turns in the secondary Ns=5000 turns…
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A: Given V1= 330 kV V2= 775 kV P1 = 1000MW R = 2.30 ohms
Q: The maximum induced emf in a generator rotating at 200 rpm is 40 V. How fast must the rotor of the…
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Q: The battery charger for cellphone contains a step-down transformer with a turns ratio 1:20, so that…
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Q: A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current…
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Q: The current in a coil drops from 3.8 A to 1.8 A in 0.51 s. If the average emf induced in the coil is…
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Q: The mutual flux in the core of a 47.9 - cycle transformer that has 800 primary turns and 190…
A: Solution: Given data, Primary turns N1 =800 Secondary turns N2 =190 Mutual flux = 2.17 × 10-6…
Q: ull speed, and it draws 2.0 Aw s 10 02. The motor operates at
A: Given: V=120 V I =0.5 A Resistance can be 10 ohm
Q: EMF of 0.218V is induced in a coil when the current in a second coil is changing at a rate of…
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Q: A 12 V DC power supply is connected to the primary coil of a transformer. The primary coil has 100…
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Q: generator is connected across the primary coil (Np = 150 turns) of a transformer, while a resistance…
A: Transformers works on the principle of mutual induction. Power in primary and secondary is same for…
Q: How many turns of the coil are required in order to produce 2 V of induced voltage at the rate of 5…
A: Given data: Induced voltage is, ε=2 V. Rate of change of magnetic flux is, dϕdt=5 wb/s.
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