A primary coil of a transformer is connected to a 120V source and draws a 12 A. The secondary coil has 800 turns and a current of 4.0 A. What is the voltage in the secondary coil?
Q: A transformer for a distribution line receives 12 volts ac and step up to 240 volts ac. The…
A: a) Find the number of turns in the primary coil. NP=VPVS×NS=12 V240 V×300 turns=15 turns b) Find the…
Q: A power transmission line feeds input power at 2300 V to a stepdown transformer with its primary…
A:
Q: The primary coil of a transformer has N1 = 250 turns, and its secondary coil has N2 = 1500 turns. If…
A:
Q: A transformer has 496 turns on its primary and 122 turns on its secondary. (a) Is this a step-up or…
A: (a) For transformer, Here, Vs, Vp, Np and Ns represent the secondary voltage, the primary voltage,…
Q: A transformer has 60 turns in the primary and 1935 turns in its secondary. The voltage across the…
A:
Q: An ideal transformer has N1 windings in the primary and N2 windings in its secondary. If you double…
A: Let the ideal transformer from given conditions, having The number of winding in the primary coil is…
Q: A step-down transformer produces a voltage of 6.0 V across thesecondary coil when the voltage across…
A: Given data The initial voltage across the secondary coil of a step-down transformer is: VS_1 = 6 V…
Q: A step-up transformer is designed so that the output of its secondary winding is 240 V when the…
A:
Q: A transformer has 512 turns on its primary and 116 turns on its secondary. (a) Is this a step-up or…
A: A transformer that increases the voltage from primary to secondary (more secondary winding turns…
Q: The resistances of the primary and secondary coils of a transformer are 56 and 14 V, respectively.…
A:
Q: A transformer has 400 turns on its secondary and 100 turns on its primary. the primary is connected…
A:
Q: A step-up transformer has Np = 46 turns on the primary coil and Ns = 669 turns on the secondary…
A:
Q: A transformer has 150 turns in the primary col and 333 tums in the secondary col. If the primary…
A:
Q: You want to step down a source with 1200[V] via transformer to 120[V] for your home. If the…
A: Given data: Input voltage (Vp) = 1200 V Output voltage (Vs) = 120 V Number of primary turns (Np) =…
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: The input coil of a transformer has 10 windings. The output coil has 40 windings. If an AC current…
A:
Q: A transformer has 1000 turns in the primary coil and 100 turns in the secondary coil. If the primary…
A:
Q: 1. A 30 KVA transformer has 300 turns on the primary and 50 turns on the secondary winding. The…
A: The given data in the question are P=30×103 VA turns on primary, Np=300 turns on secondary, Ns=50…
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 transformer has 20 turns of wire in its primary coil and 80 turns on its secondary coil. (a) Is…
A: Given : Number of turns in primary coil (Np) = 20 Number of turns in secondary coil (Ns) = 80…
Q: The primary coil of a transformer has 329 turns; the secondary coil has 1000 turns. An alternating…
A:
Q: A coil has an Inductance of 50μH. What voltage is induced across the coil when the rate of change of…
A: Given, Inductance of coil, L = 50 μH rate of change of current, dIdt = 10000 As
Q: The power in the secondary of a transformer is 1800 W. Transformer has a primary coil with 110 turns…
A: Power in the secondary coil of transformer = 1800 W Number of turns in secondary coil = 200 Number…
Q: A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current…
A:
Q: A transformer consists of 600 primary windings and 800 secondary windings. The Voltage across the…
A:
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A:
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.
Q: A coil of wire with a resistance of 0.15 Ω has a self-inductance of 0.083 H. If a 5.0-V battery is…
A:
Q: A transformer consists of 275 primary windings and 834 secondary windings. If the potential…
A:
Q: A multipurpose transformer has a secondary coil with several points at which a voltage can be…
A:
Q: A transformer has a primary coil with 360_turns and a secondary coil with 5600_turns. If the voltage…
A:
Q: The primary winding of a transformer has 500 turns and its secondary has 5000 turns. If primary is…
A:
Q: certain step-down transformer brings the 120 V AC to 10 V AC. If the input coil has 450 turns, how…
A: We know that in case of transformer VS / NS = VP / NP VS = SECONDARY VOLTAGE = 10 V NS = SECONDARY…
Q: A transmission line that has a resistance per unit length of 4.20 ✕ 10-4 Ω /m is to be used to…
A:
Q: A 5 kVA single-phase transformer shown in the Figure Q3(a) is connected to a 2.5 kV supply. The…
A:
Q: A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is connected…
A: Given data: Number of turns on primary coil is Np=100. Number of turns on secondary coil is Ns=600.…
Q: A transformer consisting of two coils wrapped around an iron core is connected to a generator and a…
A: Transformer is a device which works on the principle of electromagnetic induction. A step-up…
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 step up transformer is used to supply a 3.6 kV potential to a spark plug. The primary coil is…
A: The expression for the number of turns in the secondary coil is,
Q: which of the following statements is not true for a step-up transformer? a. the secondary current…
A: A step up transformer has number of turns in secondary coil is more than the number of turns in…
Q: Q5: A power transmission line feeds input power at 2300 V to a step-down transformer with its…
A:
Q: A transformer has 1000 primary and 250 secondary turns. An alternating potential of 80 V is applied…
A:
Q: The current in the secondary coil of a step-up transformer is 0.86 A when the current in the primary…
A:
A primary coil of a transformer is connected to a 120V source and draws a 12 A. The secondary coil has 800 turns and a current of 4.0 A. What is the voltage in the secondary coil?
Step by step
Solved in 2 steps with 2 images
- A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current through the primary and a secondary wire that contains 1/3 as many turns as the primary wire. What is the current in the secondary wire if the transformer is 80% efficient?The primary coil of an ideal transformer provides 2000 V at 0.01 A. The secondary coil operates on 120 V. What current flows through the secondary coil?A power plant produces a voltage of 6.0 kV and 150 A. The voltage is stepped up to 250 kV by a transformer before it is transmitted to a substation. What is the current in the transmission line from the plant to the substation?
- A transformer is used to provide voltage to a neon sign. The input voltage is 120 V and the output voltage is 600 V. The number of turns on the primary coil of the transformer is 300. The current supplied to the transformer is 2.5 A. What is the number of turns on the secondary coil and the current used in the neon sign? a. The number of turns in the secondary coil is 240 and the current in the sign is 2.5 A b. The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A c. The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A d. The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A e. The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 AA transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor, as shown in the drawing. There are 13 turns in the primary coil and 18 turns in the secondary coil. The peak voltage in the resistor is 70 V. What is the peak emf of the generator?A generator supplies 100 V to a transformer’s primary coil, which has 50 turns. If the secondary coil has 500 turns, what is the secondary voltage?
- A transformer is used to provide voltage to a neon sign. The input voltage is 120 V and the output voltage is 600 V. The number of turns on the primary coil of the transformer is 300. The current supplied to the transformer is 2.5 A. What is the number of turns on the secondary coil and the current used in the neon sign? The number of turns in the secondary coil is 60 and the current in the sign is 2.5 A The number of turns in the secondary coil is 240 and the current in the sign is 0.5 A The number of turns in the secondary coil is 60 and the current in the sign is 0.5 A The number of turns in the secondary coil is 1500 and the current in the sign is 0.5 A The number of turns in the secondary coil is 240 and the current in the sign is 2.5 AA transformer has 18 turns of wire in its primary coil and 90 turns in its secondary coil. An alternating voltage with an effective value of 110 V is applied to the primary coil. At the secondary coil, an alternating voltage with an effective value of 550 V is obtained. A current of 10 A is supplied to the primary coil of the transformer. Calculate the maximum effective current in the secondary coil. The maximum effective current in the secondary coil is _____ Aa. What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if its primary has 510 turns, its secondary 8 turns, and the input voltage is 120 V? b. What input current (in mA) is required to produce a 4.00 A output? c.What is the power input (in W)?
- A transformer consists of 295 primary windings and 834 secondary windings. Part A If the potential difference across the primary coil is 24.5 V, what is the voltage across the secondary coil? Express your answer in volts. V₂ = Submit Part B I = ΑΣΦ Submit Request Answer If the potential difference across the primary coil is 24.5 V, what is the current in the secondary coil if it is connected across a 115 resistor? Express your answer in amperes. 17 ΑΣΦ ? Request Answer V ? AA step-down transformer produces a voltage of 6.0 V across thesecondary coil when the voltage across the primary coil is 120 V.What voltage appears across the primary coil of this transformer if120 V is applied to the secondary coil?A transformer has 500 turns in its primary and 300 turns in its secondary. 1200 V ac is connected to the primary. What is the output voltage?