If this is a flyback transformer how is it offering voltage step-up or step-down depending on the turns ratio. Explain is it step or step down?
Q: Can a transformer be used with dc? Explain. What happens if a transformer designed for 120 V ac is…
A: The transformer has coils that act as an inductor. The expression for the emf induced in the…
Q: Which particular part of a the motor can be used to identify an "AC motor? O a Split rings O b.…
A: Which particular part of the motor can be used to identify AC motor ?
Q: When the number of loops of wire in a coil is doubled, assuming all the other factors stay constant,…
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Q: Why does an electric arc often appear in a switch at the moment it is opened if there is an inductor…
A: electric arc often appear in a switch at the moment
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: A 1.2kg bike wheel, is spinning 210rpm clockwise when a student applies a frictional force as shown.…
A:
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: TRUE or FALSE: In an ideal step-down transformer, the current at the secondary is lower compared to…
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Q: ideal transformer,
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Q: 26.2) Estimate the total food energy needed for the planet's population assuming a diet of 2400…
A: The world population is P=7,800,000,000Amount of calories intake per day per personQ=2400…
Q: Two identical single phase transformers are connected in V-V-connection across three-phase mains and…
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Q: #71. At fixed length h of the coil, find the the self-inductance L when N and cross-sectional area A…
A: The self-inductance for a coil is given as: L=μ0N2Ah Where: μ0 is the Permeability of Free…
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: 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: An "infinite" solenoid has 968 turns/m and circular cross section of radius 15.3 m. A small circular…
A: According to Faraday's law of electromagnetic induction The induced emf through a coil is given by…
Q: Explain why a transformer works for AC currents but not for DC currents
A: transformer work only on ac supply because A transformer needs an alternating current that will…
Q: A Martian leaves Mars in a spaceship that is heading to Venus. On the way, the spaceship passes…
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Q: Problem (8): Transformer Q15. If the number of the turns in the primary side of the transformer is…
A: (Note: As per the student's request, here I am giving the solution to Q16.) The reason of using (AC)…
Q: Current Attempt in Progress Reconfiguring a Transformer. You and your team are exploring an…
A: Step 1:Step 2:Step 3:Even 1176 turns is also acceptable answer.Step 4:
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: A transformer with more primary turns than secondary turns will produce a secondary voltage higher…
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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: 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: Consider a transformer, used to recharge rechargeable flashlight batteries, that has 500 turns in…
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Q: Why does a transformer require ac?
A: The working principle of a transformer is mutual induction.
Q: a Suppose the transformer of Figure 1 has 500 turns on its primary and 1000 turns on it: secondary.…
A: Given that,Number of turns on primary, NP=500Number of turns on secondary, NS=1000turns ratio , a=…
Q: An ideal step-down transformer operates at a 7 kV line and a load current of 140 A. The ratio of…
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Q: State two disimilarities and two similarities between a dc motor and an ac generator.
A: dc motor and an ac generator have electromagnets and armature etc. and the external circuit of both…
Q: When the current through a large inductor is interrupted with a switch, an arc appears across the…
A: In an inductor an induced emf is produced when current flows through it due to mutual inductance.
Q: 25-16. A transformer draws power P and delivers a current I, in its secondary coil. (a) What is the…
A: Power = potential×current P=V×I
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: List down 3 ways in increasing the EMF of induced coil.
A: EMF is directly related to magnetic flux through the coil so if we increase magnetic flux per unit…
Q: How does a transformer keep the circuits oscillations going? And how can the frequency in a coil…
A: Given : To explain how does a transformer keep the circuits oscillations going? And how can the…
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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