A transformer with more primary turns than secondary turns will produce a secondary voltage higher than the primary voltage. O True O False
Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…
A: The potential of the batteries is VB=9.0 V The current in the batteries is IB=249 mA The potential…
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: 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 has 496 turns on its primary and 122 turns on its secondary. (a) Is this a step-up or…
A: (a) For transformer, Here, Vs, Vp, Np and Ns represent the secondary voltage, the primary voltage,…
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: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
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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: How can you distinguish the primary winding from the secondary winding in a step-up transformer?
A: PRIMARY AND SECONDARY WINDING IS DEFINED ON THE BASSIS OF POWER SUPPLY PRIMARY WINDING IS ONE…
Q: Remembering that your transformer has twice as many turns in the secondary coil as in the primary…
A: transformer has twice as many turns in the secondary coil as in the primary coil, what is the ideal…
Q: A transformer has a voltage input of 120 V and an output of 1500 V. If the primary coll has 200…
A: Input voltage (V) = 120 volts Output voltage (V') = 1500 volts Number of loops in primary coil (N) =…
Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…
A: Given that primary and secondary voltages and secondary current in the transformers Vs = 9 V Is =…
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: TRUE or FALSE: In an ideal step-down transformer, the current at the secondary is lower compared to…
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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 transformer has a turns ratio of 2.5:1 the primary voltage is 208V what is the voltage of 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 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: 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: 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: The output power of an ideal transformer is
A: The output power of an ideal transformer is always same as input power. because transformer does not…
Q: A transformer has 400 turns on its secondary and 100 turns on its primary. The primary is connected…
A: Given: The number of turns in primary coil is N1=100 The number of turns in secondary coil is…
Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…
A:
Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…
A: Vs = 9 V Is = 252 mA = 0.252 A Vp = 120 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: As the coil of wire in the generator spins, an output potential difference is induced. Explain how…
A: Given that As the coil of wire in the generator spins, an output potential difference is induced. To…
Q: The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket…
A:
Q: The induced emf of a dc machine running at 750 rpm is 220 V. The percentage increase in field flux…
A: Given that,Initially, Induced emf, E1=220 VoltSpeed of motor, N1=750 rpm.When, Emf, E2=250 VoltSpeed…
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: (a) What is the voltage output of a transformer used for rechargeable flashlight batteries if its…
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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: ransformer has 770 primary and 190 secondary turns. An alte V is applied to the primary. What is the…
A: Given values:- Number of primary turns,(NP)=770 -----(1) Number of secondary turns,(NS)=190 -----(2)…
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: 00 1820 2200 A step-up transformer is designed so that the output of its secondary winding is 2000 V…
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Q: A plug-in transformer, as shown, supplies 9.00 V to a video game system. (a) How many turns are…
A: a. the number of turns in the secondary coil can be calculated from the transformer equation.
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