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…
A:
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: 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: 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: 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: 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: TRUE or FALSE: In an ideal step-down transformer, the current at the secondary is lower compared to…
A:
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: Example: If a coil conductor is connected to a 3 kQ resistor, what would be the rated voltage and…
A: Example: The rated voltage(V) and the current(I). Given, Number of turnsN=3rate of change of…
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: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…
A: consider the transformer arrangement as shown
Q: She suggests that he modify an old transformer that they don't need anymore to do the job. The old…
A:
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 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: QUESTION 6 A transformer with primary 928 windings and 6,380 secondary windings has an input voltage…
A:
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: 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: What is Electromagnetic Induction (EMI)? Differentiate a transformer with a generator
A: To determine,What is Electromagnetic Induction (EMI) and Differentiate a transformer with a…
Q: a step down transformer has an output of 12v and .5A when connected to a 120V line. assume no…
A:
Q: (a) What is the voltage output of a transformer used for rechargeable flashlight batteries if its…
A:
Q: A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If the secondary voltage is 240…
A:
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 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.
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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