.  A laptop computer requires 24 volts to operate properly.  A transformer with 600 turns in the primary needs to have how many turns in the secondary to operate the computer from a 120 V source?   4.  If the output current for the transformer in the previous problem is 4.5 A, calculate the input current.

Q: an ideal transformer has 60 turns on its primary coil and 300 turns on its secondary coil. E 120 V…

A:

Q: If you are planning to make an idea charger (step down transformer) with an  output of 5.0V when it…

A: The required expression for the required ratio of output to input turns of coils is,

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 60 turns in the primary and 1935 turns in its secondary. The voltage across the…

A:

Q: A step-down transformer operates on a 2.5-kV line and supplies a load with 80 A. The ratio of the…

A: secondary voltage

Q: At what velocity (in revolutions per minute) will the peak voltage of a generator be 490 V, if its…

A: Peak voltage , εmax = 490 V Number of turns , N = 490  Diameter , D = 8 cm  Radius , R = 4 cm = 0.04…

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

A:

Q: A 10-V, 1.0-A dc current is run through a step-up transformer that has 10 turns on the input side…

A: Transformer is device which works in AC source

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

A:

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: 25. What is the output potential dif- ference from the secondary coil of the transformer on the…

A: The potential difference around the coil is directly proportional to the no of turns. And so the…

Q: An electric power station that operates at 15 kV and uses a 20:1 step-up ideal transformer is…

A: The output voltage is,

Q: What is an isolation transformer  and how it works?

A: Isolation transformers are transformers used to transfer electric power from alternating power…

Q: A transformer consist of a primary coil connected to a 120 V source that drive 4 A of current…

A:

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: A step down transformer produces produces a voltage of 6 volts across the sec- ondary coil when the…

A: voltage in primary, Vp = 120 V  voltage in secondary, Vs = 6 V

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

A:

Q: A transformer consists of 275 primary windings and 834 secondary windings. If the potential…

A:

Q: Neon signs need 12,000 V to operate.  If a transformer operates off a 240 V source and has 1000…

A:

Q: The power output of a transformer is 500 W. The input voltage is 120V. The output current is 50A The…

A: Given data: Power output (Ps) = 500 W Input voltage (Vp) = 120 V Output current (Is) = 50 A…

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

A:

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

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: 11 Vin Np = 300 Ns = 900 Vout An ideal transformer consists of Np = 300 primary turns and Ng = 900…

A: ALTERNATING CURRENT

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 mobile x-ray imaging system operates on 110 V AC power. Its maximum capacity is 110 kVp and 100…

A:

Q: 1.A transformer has 25 turns in the primary coil and 200 turns in the secondary coil.  If 24 V is…

A: As per the guidelines firs question is answered. Kindly post second question as a new question.

Q: The load resistance on the output side of the transformer is 100Ω. What is the current flowing on…

A: Given data:  Load resistance on output side (R) = 100 Ω Secondary voltage (Vs) = 60 V Primary…

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: The plug-in transformer for a laptop computer puts out 22.5 V and can supply a maximum current of…

A:

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

A:

Q: Calculate the peak voltage of a generator that rotates its 215 turns, 0.100 m diameter coil at 3600…

A:

Q: Which of the following are true? Select all that apply. When more wraps are added to a primary coil…

A: Transformers works on the principle of mutual induction.

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