A step-down transformer converts 120 V to 5 V in a phone charger. If the primary coil has 600 turns, how many turns are 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 transformer is used to supply a 19 V model train with power from a 116 V wall plug. The train…

A: A transformer in which the output (secondary) voltage is less than its input (primary) voltage is…

Q: A step-down transformer (turns ratio =1:8) is used with an electric train to reduce the voltage from…

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Q: A transformer is used to supply a 11.25 V mo with power from a 128 V wall plug. The train at 96 W of…

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Q: A transformer has a primary voltage of V,= 400 V and primary current of I,= 1.5 A. If the measured…

A: Given : primary voltage, Vp = 400 V              primary current, Ip = 1.5 A              Secondary…

Q: A transformer has a primary coil with 120 turns and secondary coil with 2000 turns. Transformer runs…

A: Given that , A transformer has a primary coil with 120 turns and secondary coil with 2000 turns.…

Q: Which statement is true about the transformer? Select oner A The main advantage of the step-up…

A: This question is based on Alternating Currents chapter. Transformer works on the principle of Mutual…

Q: A transformer has 200 turns more in the secondary than in the primary. Its input and output voltages…

A: Let us consider, The number of turns in primary coil is NP. The turns in secondary coil will be…

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: An 18-kV neon sign is connected to a transformer and plugged into a conventional outlet (U.S.). If…

A: E1 =18000 V N1 = 300 turns E2 =120 V N2 = ?

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: 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: 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: A transformer has 200 turns more in the secondary coil than in the primary. Its input and output…

A: In transformers we know that: Np/Ns = Vp/Vs given that: Np = Number of turns in primary coil Ns =…

Q: A clock radio requires 0.400 Ampere at 6.0 Volts. It is connected to a transformer whose primary…

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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 transformer is designed for use in a model train. The input voltage is 120 V and the output needs…

A: Given: The input voltage is 120 V. The output voltage is 9.0 V. The output current is 2.50 A.…

Q: A transformer has 1000 turns in the primary coil and 100 turns in the secondary coil. If the primary…

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Q: Suppose you wrap wire onto the core from a roll of Scotch tape to make a coil. Describe how you can…

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Q: A transformer has 900 turns on its secondary and 100 turns on its primary. The primary is connected…

A: (a) The voltage output of the secondary coil is VS=NSNPVP=90010014 V=126 V Therefore, the output…

Q: A high-intensity desk lamp is rated at 45 W but requiresonly 12 V. It contains a transformer that…

A: Power, P=45 W  Voltage in secondary, Vs = 12 V  Voltage in primary, Vp=120 V

Q: In a step-up transformer, the voltage in the secondary coil is ________ than the voltage in the…

A: Here talking about the step up and step down transformer . We have to fill the blanks from the below…

Q: A transformer with 5 primary coils and 3 secondary coils is shown below: primary coil secondary coil…

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Q: If you want to use a step-up transformer to convert 5V DC to 10V DC, what turn ratio would you need?…

A: Transformer work on  the principal of mutual induction between two coil (primary and secondary).…

Q: Which of the following statements about transformers is false?(a) Transformers work using ac current…

A: Initially there is no current flowing in the primary coil of transformers. When a dc source is…

Q: What is a transformer? Describe how transformers work from a perspective of electromagnetic…

A: A transformer is basically a very simple static electro magnetic passive electrical device. It…

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: A transformer consists of 600 primary windings and 800 secondary windings. The Voltage across the…

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Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…

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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: A transformer has a primary coil with 360_turns and a secondary coil with 5600_turns. If the voltage…

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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 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: When you move a magnet through a 1 loop coil you detect a voltage of 0.001 volts, what voltage would…

A: N1/N2=V1/V2   N1=1 V1=0.001 V N2=1000

Q: A transformer has 472 turns on its primary and 108 turns on its secondary. (a) Is this a step-up or…

A: Therefore it is a step down transformer

Q: ) A transformer has a primary voltage of Vp= 400 V and primary current of I,= 1.5 A. If the measured…

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

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Q: A transformer is used to supply a 14.5 V model train with power from a 132 V wall plug. The train…

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Q: A transformer has a primary voltage of V,= 400 V and primary current of 1,= 1.5 A. If the measured…

A: The input power here is The output power here is

Q: A disk drive plugged into a 120-V outlet operates on a voltage of 9.0 V. The transformer that powers…

A: Given The number of primary coil is Np=125 turns. The voltage in secondary coil is Vs=9 V. The…

Q: A cell phone charger has a transformer that decreases 220 Volts AC to 5 Volts AC. If the secondary…

A: Formula for the relation between voltage and the turn ratio as, n1n2=v1v2 Primary is v1=220 V v2=5 V…

Q: In the options given below, the winding number of the primary coils of all transformers that are…

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Q: primary coil of a transformer in a toy electric car has 300 turns and the secondary coil has 30…

A: NUMBER OF TURNS IN PRIMARY COIL , NP = 300NUMBER OF TURNS IN SECONDARY COIL , NS = 30VOLTAGE APPLIED…

Q: You have a transformer with a primary current of 34A and a primary voltage of 1960V. The current in…

A: Primary current (Ip) = 34 A Primary voltage (Vp) = 1960 volts Secondary current (Is) = 143 A