How many windings would be needed to produce at output of 110V AC? Is this a step down or step up transformer?     B)E xplain why a transformer only works with AC and not DC currents.

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: Why won't a transformer work with a DC input voltage? Select one: a. DC input voltage does not…

A: The phenomenon behind the working of transformer is the mutual induction. It is the phenomenon in…

Q: Why does an iron core that extends inside and connects the primary and secondary coils intensify…

A: Magnetic materials are classified into different types based on their behavior in the external…

Q: A transformer has a primary voltage of Vp= 600 V and primary current of Ip= 2.5 A. If the measured…

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Q: 5. A 60 kVA, 1600V/100V, 50 Hz, single-phase transformer has 50 secondary windings. Calculate (a)…

A: Given :-  v1 = 1600 V v2 = 100 V f= 50Hz N2 = 50 turns a)  rating of transformer =  v1 I1 =  V2I2  =…

Q: what will be the voltage output of the secondary? what current flows in the secondary circuit? now…

A: Given: Number of turns in the primary  Np= 100           Number of turns in the secondary  Ns = 1000…

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: The secondary coil of a transformer has 440 turns, and produces an output AC voltage of 25.0 V when…

A: GivenNumber of turn in secondary coil (Ns)=440 turnOutput voltage of Secondary coil(Vs)=25 VVolatge…

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

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Q: A step-up transformer has Np = 46 turns on the primary coil and Ns = 669 turns on the secondary…

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Q: transformer has a primary coil with 1600 loops and a secondary coil with 1200 loops. If the current…

A: Given Number of turns in primary coil = 1600 Number of turns in secondar coil = 1200 Current in the…

Q: An ideal neon sign transformer provides 9330 V at 29.0 mA with an input voltage of 110 V. Calculate…

A: In case of ideal transformer, Pin= Pout Power = voltage× current Pin= input power= vinIin Where, Vin…

Q: A transformer has 500 turns on its secondary and 100 turns on its primary.  a This transformer…

A: Given data:  Number of turns on secondary coil (Ns) = 500 Number of turns on primary coil (Np) = 100…

Q: The charger for your cell phone contains a small transformer. While charging, it provides 5.0 W to…

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Q: Why doesn’t a transformer work with direct current? Why is ac required?

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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: Transformer 1 has a primary voltage Vp and a secondary voltage Vs. Transformer 2 has twice the…

A: Given Data: The primary and secondary voltage of transformer 1 is Vp and Vs The primary voltage of…

Q: Explain why a transformer works for AC currents but not for DC currents

A: transformer work only on ac supply because A transformer needs an alternating current that will…

Q: A transformer consists of two coils of wire wound on a common toroidal iron core. The mutual…

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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: 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…

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Q: When 9 A of AC current at 123 V flows in the primary coil of an ideal transformer, how many amps at…

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Q: Can a transformer be operated by a DC waveform at its input? What would be the secondary voltage of…

A: Can a transformer be operated by a DC waveform at its input? What would be the secondary voltage of…

Q: Why does a transformer require ac?

A: The working principle of a transformer is mutual induction.

Q: An ideal transformer has N1 turns in its primary and N2 turns in its secondary. To the primary, AC…

A: It is an ideal transformer  Thus Pin = Pout

Q: Consider a transformer with a turn ratio of 2:5 that is connected to a 50-V AC source at its primary…

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Q: The primary winding of a transformer has 500 turns and its secondary has 5000 turns. If primary is…

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Q: A machine uses a step-up transformer where a 110V input is converted to 220V output Calculate the…

A: Given data: Primary voltage, Vp=110 V Secondary voltage, Vs=220 V Number of turns in primary coil,…

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: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted…

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Q: A transformer has a current with a voltage of 25000 V enter it passing through 12500 turns of wire.…

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Q: A 5 kVA single-phase transformer shown in the Figure Q3(a) is connected to a 2.5 kV supply. The…

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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: ... .. In a transformer the mutual inductance of two coils is 0.3 H where as the self inductance of…

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Q: A transformer has a primary coil with 100 turns and secondary coil with 250 turns. The input voltage…

A: Given: Number of primary coil Np = 100 Number of secondary coil, Ns = 250 Input voltage, Vin = 150 V…

Q: In a well-designed transformer with an iron core, the secondary coil has twice as many turns as the…

A: The secondary coil has twice as many turns as primary coil in a well designed transformer.

Q: A transformer is rated at 303W and transforms a higher AC Vrms to 240V-AC. The number of turns in…

A: Power of transformer P=303 W, lower voltage turns N1=316 and higher voltage turns N2=615. Higher…

Q: Q5: A power transmission line feeds input power at 2300 V to a step-down transformer with its…

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Q: The input voltage of a transformer is 4 V. The primary coil has 50 loops and the secondary has 25…

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Q: The primary coil in an ideal transformer has 1000 turns of wire and an emf of 100 V. The secondary…

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Q: What is the inductance of a coil whose resistance is 101 Ω if it draws 0.53 A from a 111-V, 58-Hz…

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Q: Keeping everything else the same, what happens to the output voltage if you double the output number…

A: Introduction: The output voltage of the AC transformer depends upon the number of windings of the…