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syllogistic    
a. 三段论法的,演绎的,演绎性的

三段论法的,演绎的,演绎性的

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  • Faraday’s Laws of Electromagnetic Induction
    From the experimental observations, Faraday concluded that an emf is induced when the magnetic flux across the coil changes with time Therefore, Faraday’s first law of electromagnetic induction states the following: Whenever a conductor is placed in a varying magnetic field, an electromotive force is induced If the conductor circuit is
  • Spontaneous Mutation - BYJUS
    Induced Mutation Induced mutations do not occur spontaneously They are induced through various chemical and physical agents known as mutagens Mutagens greatly enhance the frequency of mutation Some of the mutagens are: Alkylating agents (Ethyl methanesulfonate or EMS, N-ethyl-N-nitrosourea or ENU) Base analogue (5-Bromouracil
  • Formula of Induced Voltage - BYJUS
    Induced Voltage Solved Example The solved question of induced voltage is given below: Problem 1: Consider a rectangular coil of 5 turns with a side length of 0 5 m This coil reaches the magnetic field 0 3T within 10s Compute the induced voltage? Answer: Known values are, N = 5 l = 0 5 m B = 0 3T dt = 10s The formula for induced voltage
  • What is Induced EMF? - BYJUS
    Induced EMF: I f the magnetic flux through a coil is changed, a voltage will be produced This voltage is known as the induced emf Induced EMF can be created in two ways: If an electric current conductor moves in a magnetic field then an induced emf is produced If a magnetic field is moving around an electric field then an induced EMF is produced
  • What is Inductance? - BYJUS
    Magnitude of induced emf, ε 2 = 60×10-3 V Case 2: Change in current, di = 16 – 4 = 12 A Change in time, dt = 0 03 sec Mutual inductance of the second coil with respect to the first coil is given as: M 21 = ε 2 (di dt) = 60×10-3 ×0 4 8 = 3×10-3 H Induced emf in the second coil due to change in the rate of current in the first coil
  • What is an Induced Electromotive Force? - BYJUS
    What is an Induced Electromotive Force? We can induce a current in the loop by changing the magnetic field As we have discussed earlier in Faraday’s law, we have seen some experiments based on this theory In the first experiment, the ammeter shows zero current reading which proves that a stationary magnet does not induce a current in a coil
  • What Is Electromagnetic Induction? - BYJUS
    e is the induced voltage (in volts) N is the number of turns in the coil; Φ is the magnetic flux – the amount of magnetic field at a surface (in Webbers) t is the time (in seconds) The significance of this discovery is a way of producing electrical energy in a circuit by using magnetic fields and not just batteries Everyday machines like
  • What are Intermolecular Forces? - BYJUS
    3 Ion Induced Dipole Interactions In this type of interaction, a non-polar molecule is polarized by an ion placed near it The non-polar molecules, upon obtaining a charge, behave as induced dipoles This interaction between an ion and an induced dipole is known as ion-induced dipole interaction 4 Dipole Induced Dipole Interaction
  • Law of Magnetic Induction - BYJUS
    Find the induced emf in the loop while the current carried by the solenoid is changing steadily from 2 0 A to 4 0 A in 0 1 s Solution: Number of turns on the solenoid – 15 turn cm = 1500 turn m Number of turns per unit length, n = 1500 turns The solenoid has a small loop of area, A = 2 0 cm 2 = 2 x 10-4 m 2
  • What is Dipole Moment? - BYJUS
    Dipole Moment Formula A dipole moment is the product of the magnitude of the charge and the distance between the centers of the positive and negative charges





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