Which of the following statement is true about the transformer shown in the sketch? 240V ÈR=6 N 60 Hz
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Q: At what velocity (in revolutions per minute) will the peak voltage of a generator be 490 V, if its…
A: peak voltage of the generator is = 490 VN = 495 turns diameter d = 8 cm = 0.08 mB = 0.250 T
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: You have a transformer with a primary current of Ip = 15 A and a primary voltage of Vp = 2050 V. The…
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Q: nas ). The output voltage of the generator is 4.50 kV. (a) What is the line loss if a transformer is…
A: GivenResistance per unit length=4.3×10-4 ΩmPower Tansmitted, P=5 MW=5×106 WLength over which power…
Q: Calculate the following: Calculated Values Load Resistance used in ohms Primary coil turns (Np)…
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Q: A step-down transformer has a turns ratio of 1:10, and its primary is connected across the terminals…
A: If a voltage 'V' is applied across a resistance 'R', then the power dissipation in that resistor is:…
Q: A generator supplies 100 V to a transformer’s primary coil, which has 50 turns. If the secondary…
A: We know,
Q: Question 8 900 turns 2200 400 2 500 Ω turns 3.3 k2 Calculate all voltages and all currents in this…
A: Given data: The primary turns is Np=900. The secondary turns is Ns=2200. The voltage drop across…
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: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…
A: Given that-The voltage of primary winding, V1= 230 VoltNumber of turns of secondary winding, N2= 290…
Q: The sketch represents an ideal transformer. What is the current in the secondary if the primary side…
A: This is a step up transformer. NpNs=VpVsCalculate the voltage generated across the secondary…
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 transformer is used to step down the 120 V AC power in an outlet to 5.00 V for a radio. If the…
A: We have N1N2=V1V2
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?
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Q: She suggests that he modify an old transformer that they don't need anymore to do the job. The old…
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Q: B-H curve of iron, used to make transformer co shown below. A 11 kV/400 V, 100 kW, 50 Hz transformer…
A: Concept used: Hysteresis is a phenomena in which magnetic field of an object lacks behind the…
Q: At what angular velocity in rotation/min will the peak voltage of a generator be 540 V, if its…
A: ε0 = 540 V N = 420 turns d = 6.3 cm = 0.063 m B = 0.290 T To find = Angular velocity in rpm
Q: The voltage applied to the primary of a transformer is 220 V constant but its frequency dropping. In…
A: The voltage of a transformer has a proportional relationship with frequency. Voltage of a…
Q: A step-down transformer has 600 V across the primary coil and 120 V across the secondary. The…
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Q: Ex. 65 : When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a…
A: To find-(1) Resistance of coil (2) Inductance of coilGiven-E=D.C. voltage=100 VI=1 AErms=100 VF=50…
Q: A transformer is to be designed to increase the 30-kV (rms) output of a generator to the…
A: Input voltage, V1 = 30 kVOutput voltage, V2 = 345 kVNumber of turns in primary coil, N1 = 80 Number…
Q: A transformer has 500 turns on its secondary and 100 turns on its primary. The primary is connected…
A: a) Let the primary winding’s number is Np and the secondary winding’s number is Ns. The voltage in…
Q: A step-down transformer has 63 turns in its primary coil and 20 turns in its secondary coil. The…
A: Given: Number of turns in the primary coil, Np=63 Number of turns in the secondary coil, Ns=20…
Q: A transformer with more primary turns than secondary turns will produce a secondary voltage higher…
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Q: The maximum induced emf in a generator rotating at 200 rpm is 40 V. How fast must the rotor of the…
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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: The battery charger for cellphone contains a step-down transformer with a turns ratio 1:20, so that…
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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: calculate the peak voltage (in v) of a generator that rotates its 225 turn, 0.100 m diameter coil at…
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Q: 12. A 600 kVA, 2000/200V transformer has a primary winding resistance of 0.6Ω and a secondary…
A: Given- Power = 600 KA Primary voltage V1=2000 V Secondary voltage V2=200 V Primary winding…
Q: 220 V is supplied across 1200 windings of the primary coil of the autotransformer. If 1650 windings…
A: Given Number of turns in primary coil is Np=1650 Number of turns in…
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 step-up transformer has 23 turns on the primary coil and 750 turns on the secondary coil. If this…
A: Number of turns in the primary coil is Number of turns in the secondary coil is Output voltage is…
Q: w many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 405…
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Q: Input Input Output Output voltage Current Voltage current Vp [V] Ip [A] Vs [V] Is [A] 5.18 0.175…
A: Given: Input voltage is Vp=5.18 v Input current is Ip=0.175 A Output voltage is Vs=2.471 v Output…
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: When I visit family in India, I usually need an adapter to use my US bought electrical devices (hair…
A: Given, Vinput=220 VVoutput=110Vnprimary=100
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…
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