Which of the following statement is true about the transformer shown in the sketch? 240V ÈR=6 N 60 Hz
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: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…
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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: Calculate the following: Calculated Values Load Resistance used in ohms Primary coil turns (Np)…
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Q: Calculate the peak voltage of a generator that rotates its 1000-turn, 0.100 m diameter coil at 5000…
A: Given that the value of magnetic field and given the number of turns and diameter of coil and speed…
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: The maximum induced emf in a generator rotating at 210 rpm is 45 V. How fast must the rotor of the…
A: Given that: E1=45 vω1=210 rpmE2=56 vω2=?
Q: A scale train transformer is plugged into 120 V ac and draws 0.35 A while supplying 7.5 A to the…
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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: The primary coil of a transformer is coupled to DC power supply (a battery) that provides an…
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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: A transformer has 150 turns in the primary col and 333 tums in the secondary col. If the primary…
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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: A power plant produces 1800 MW of power at a current of 30.0 kA. The power is then stepped up to a…
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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: The primary coil of an ideal transformer provides 2000 V at 0.01 A. The secondary coil operates on…
A: Transformer are the electrical device which is used for change the input voltage. It is based on…
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: An inductor used in a de power supply has an inductance of 12.0 H and a resistance of 180 ohms. It…
A: Here inductance = L = 12.0 H resistance = R =180 ohms. current = I = 0.50 A. We have to calculate…
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: Calculate the peak voltage (in V) of a generator that rotates its 180 turn, 0.100 m diameter coil at…
A: Number of turns is Diameter of coil is Magnetic field is Angular velocity is Note:Find:Peak voltage…
Q: ull speed, and it draws 2.0 Aw s 10 02. The motor operates at
A: Given: V=120 V I =0.5 A Resistance can be 10 ohm
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: 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: a step down transformer has an output of 12v and .5A when connected to a 120V line. assume no…
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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: A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If the secondary voltage is 240…
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Q: Calculate the peak voltage (in V) of a generator that rotates its 220 turn, 0.100 m diameter coil at…
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Q: A primary coil of a transformer is connected to a 120V source and draws a 12 A. The secondary coil…
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Q: A plug-in transformer, like that in the figure below, supplies 9.00 V to a video game system.…
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Q: A step-up transformer has a ratio of 1:5. If the output voltage is 220V, what is the input voltage?…
A: According to the given data transformer ratio =1:5 output voltage =220v We need to find input…
Q: A student needs to reduce the percent power loss by 100 times by using a transformer. What would the…
A: Power loss (Ploss) = I2R ...... (1) Here, I is the current and R is resistance As I = P/V .......…
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