Word Bank: the rate of change of the voltage, the rate of change of the current, the voltage, greater, less, the current
For an inductor THE VOLTAGE is proportional to THE RATE OF CHANGE OF CURRENT.
That way the more rapidly changes the primary current the GREATER is the voltage induced in the secondary coil.
For an inductor ______ is proportional to _______. That way, the more rapidly changes primary current...
UCUR and AC Enext Conceptual Question 26.15 The ignition system in a car uses a transformer whose primary has 200 turns and carries 10 Aits secondary, with 20,000 turns, is connected to the spark plug An electronic switch suddenly stops the current in the primary creating a briet, 40.000 V pulse in the secondary that makes a spark in the plug, which ignites the fuel mixture Part A Why does the voltage pulse occur only as the primary current is...
Questions [L] A transformer works with: AC current, BC current, CC current, DC current (2) The input side of a transformer is known as the: initial, startup, primary, input. [] The iron core transfers: current, voltage, induction, magnetism. [4] The changing magnetic flux through the secondary coil creates: 2 electricity, magnetic poles, transformers, the flux capacitor. [5] The current flowing through the primary coil creates: magnetism, electric poles, transformers, the flux inductor, [6] The primary coil has the less turns....
18. Al wat rate would the current in a 100-mH inductor have to change to induce an emf of 1000 V in the inductor? 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains 750 turns, how many turns are on the secondary? 20. A series circuit consists of a H an - -- - -- 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains...
a)During a 82-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 4.2-mA current in a nearby secondary coil. The secondary coil is part of a circuit in which the resistance is 12 Ω. The mutual inductance between the two coils is 3.2 mH. What is the change in the primary current? b) The magnetic flux that passes through one turn of a 13-turn coil of wire changes to 3.78...
The current flowing through an inductor is proportional to the voltage across its terminals proportional to the integral of the electric charge stored in it proportional to the integral of the voltage across its terminals proportional to the derivative of the current through if the initial voltage is zero Question 5 5 pts If the initial current of an inductor is zero, the current through it is O proportional to the integral of the voltage across it O proportional to...
A particular transformer has fewer turns of wire on the secondary coil than on the primary coil. Which of the following statements is true? The primary voltage is greater than the secondary voltage The secondary power is greater than the primary power The length of the secondary coil is greater than the length of the primary coil The primary current is greater than the secondary current
Question 15 5 pts The amount of voltage induced in the coil is proportional to the rate of induced voltage change of current change of voltage applied voltage D Question 16 5 pts XL = 2TfL What is the above formula used to calculate? inductive resistance inductive reactance capacitive reactance capacitive resistance
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
8A sensitive current indicating instrument is a 9 in a transformer, changes in the magnetic field of the primary coil are sensed by the nearby secondary coil CO According to Faraday's law, these changes of magnetic field intensity at the secondary coil voltage in the secondary a. produce b. inducre c eliminate electric current by rotating a coil within a stationary magnetic field is a(n) a. Electric motor b. Generator 11 Clusters of aligned iron atoms are called a. Magnets...
ogf induced in a coil is 0.72 V when the current in the coil changes to 1.6 A in 0.25 s. What is the self-inductance L of the coil? An alternating voltage with a peak voltage of 12 V and a frequency 60 Hz is connected in series to a resistor with resistance R : 10 ?, a capacitor with capacitance C-1000 ?F, and an inductor with inductance L 500 mH. Determine the root-mean-square current in the circuit. (a)