The open-circuit voltage of 240 V and the full load secondary voltage of 230 V, then the % regulation of a transformer is
Q: The primary winding of an ideal transformer is wound with 550 turns and is connected to a 220V rms…
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Q: The ratio of transformation is 50. If 220V AC is supplied to its primary coil, voltage in secondary…
A: Given: The ratio of transformation is 50. The supplied voltage in the primary is 220 V.…
Q: The primary coil of an ideal transformer has 100 turns, and its secondary coil has 400 turns. If the…
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Q: A transformer connected to a 120 V (rms) ac line is to supply 12.0 V (rms) to a portable electronic…
A: A transformer that increases the voltage from primary to secondary is called a step-up transformer.…
Q: An RLC circuit has a resonance frequency of 60 Hz. When this circuit is operated at30 Hz, does the…
A: The impedance of a RLC circuit is given by Z=R2+XL-XC2
Q: The primary windings of a transformer which has an 88% efficiency are connected to 110-V ac. The…
A: Given:- The primary windings of a transformer that has an 88% efficiency are connected to 110-V ac.…
Q: An ideal neon sign transformer provides 9 250 V at 30.0 mA with an input voltage of 115 V. Calculate…
A: We know that:For an ideal transformer,The power input equals the power output,Input power of the…
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: The primary circuit of a transformer consists of an A.C. power supply (Vrms 48.5 V) and a 7.96 mH…
A: V (rms) = 48.5 V I (rms) = 1.54 A L = 0.00796 H Using , V = I Z where Z is the impedence 48.5 = 1.54…
Q: -. If the peak value of the alternating current in a 950 W device is 5.0 A, then what is the rms…
A: Io=5Amp Irms= Io/√2=5/√2 Amp
Q: Neon signs require 12-kV for their operation. A transformer is to be used to change the voltage from…
A: Given data The primary winding voltage is Vp = 220 V. The secondary winding voltage is Vs = 12 kV.…
Q: A transformer with a turns ratio (secondary/primary) of 1:18 isused to step down the voltage from a…
A: Given: A transformer with a turns ratio (secondary/primary) = 1:18, step down the voltage from a…
Q: A transmission line that has a resistance per unit length of 4.30 x 104 n /m is to be used to…
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Q: A certain generator has armature resistance 0.080 ohms and develops an induced EMF of 440 V when…
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Q: The current in an inductive coil changes at 30A /s and the back EMF is 3V Calculate the inductance…
A: Given value--- The current in an inductive coil changes at 30A /s. the back EMF is 3V. We have to…
Q: A transformer is to be used to provide power for a computer disk drive that needs 5.0 V (rms)…
A: Given that the value of primary and secondary voltage and secondary Current. Then We have to…
Q: The current in a series RL circuit rises to 75% of its final value in 1.87 s. If the resistance is…
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Q: What transformer brings the pd back to safe usable levels at the consumers end?
A: To determine,What transformer brings the pd back to safe usable levels at the consumers end.
Q: How can the antenna be driven by an AC circuit?
A: What is an Antenna? An antenna is a metallic structure that captures and/or transmits radio…
Q: An ac source of emf delivers 5.0 mW of power at an rms current of 2.0 mA when it is connected to the…
A: Transformer based problem.
Q: A portable x-ray machine is designed to operate on normal 110V AC power. Its maximum capacity is…
A: Voltage, V1 = 110 VVoltage, V2 = 110 KV = 110000 VCurrent, I = 100 mATurn ratio, N2/N1 = ?
Q: A coil of inductance 0.5H and resistance 100n is connected to a 240V,50HZ ac supply. a) What is the…
A: Given value--- inductance = 0.5 H. resistance = 100 ohm. Voltage = 240 V frequency = 50 Hz. We…
Q: The peak value of an alternating current in a 1900-WW device is 4.2 AA . What is the rms voltage…
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Q: A 24300 / 300 volts, 62 hz, 147.6 KVA step down transformer has an induce emf of 3 volts per turn.…
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Q: (a) A transformer has Np-273 primary turns and N,-1345 secondary turns. The input voltage is V-220 V…
A: Given data The number of turns in the primary is NP=273 The number of turns in the secondary is…
Q: Consider an infinitely long wire carrying a current I1 at the left of a rectangular loop with length…
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Q: The primary winding of an ideal transformer is wound with 550 turns and is connected to a 220V rms…
A: Number of turns in primary Np=550 Voltage in primary coilVp=220 V Voltage in secondary coil Vs=20 V…
Q: a potentian transformer is desired to allow safe reading on a 4600 v line. what voltage ratio of…
A: Safe voltage= Vmax= 4600 volt secondary voltage of transformer = 120 volt (generally considered…
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: The plug-in transformer for a laptop computer puts out 7.50 V and can supply a maximum current of…
A: Given: Output voltage Vo=7.50 V, Output current Io=1.8 A, Input voltage Vp=240 V. Required: Input…
Q: An AC transformer in Okahandja operates at input voltage of eight-and-a-half kilo-volts to suppy 120…
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Q: An ideal step-up transformer with turn ratio 1:30 is supplied with an input power of 120 W. If the…
A: According to the ideal transformer, V1V2=N1N2V1=N1N2V2=130210 V=7 V Find the input current.…
Q: A step-up transformer is designed to have an output voltage of 2 200 V (rms) when the primary is…
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Q: Power is generated at 24 kV at a generating plant located56 km from a town that requires 55 MW of…
A: The generated power is Pgenerated=55 MW98.5%=55.838 MW The power loss in the transmission is…
Q: The delta-connected primary of a 5:1 step-down transformer has a delta-connectea secondary and a…
A:
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