Induced emf and motional emf are exactly the same. a) True b) False
Q: A generator produces 21.0 V when turning at 870 rev/min. What emf does it produce when turning at…
A: emf induced = 21 V when the coild turns at 870 rev/min New angular speed = 510 rev/min Let the…
Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 40 V, R = 5 2, and the time…
A:
Q: Calculate the resistance in an RL circuit in which L = 2.50 H and the current increases to 90.0% of…
A: We know that-Current decay through a LR circuit, I=I01-e-tτ Equation 01here, τ=LRwe can…
Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = constant t= 1 s. A conducting…
A:
Q: The figure below shows a circuit with a battery of EMF -3.848 V, a resistor with R-2.2842, and an…
A:
Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…
A:
Q: R, = 1.3n 1.5 A R = 1.52 R3 = 1.82 20V
A: According to the Kirchoff's law, the direction of loop is from higher potential to lower potential.
Q: The current in an RL circuit builds up to one-third of its steady state value in 4.20 s. Find the…
A:
Q: How fast can the 145 A current through a 0.240 H inductor be shut off if the induced emf cannot…
A: Given: Current is I=145 A Inductance of inductor is L=0.240 H Induced emf is emf=73 V Find: Time…
Q: Camera flashes charge a capacitor to high voltage by switching the current through an inductor on…
A: Initial current I = 0.26 A E = 515 V L = 2.7 mH = 0.0027 H Final current = 0 A
Q: The self-inductance of the circuit in the figure below is 9.60 10-8 H. Find the back emf when the…
A: Given data The self-inductance is given as L = 9.60 x 10-8 H. The rate of increase in current is…
Q: What factors that affect the magnitude of induced EMF? Explain.
A: ques:What factors that affect magnitude of induced EMF?
Q: (a) What is the characteristic time constant of a 25.4 mH inductor that has a resistance of 4.07 0?…
A:
Q: voltage equal to the emf
A:
Q: In an RL-circuit, the higher the value of the inductance the rate of change of the current stays the…
A:
Q: A 2.30 H inductor carries a steady current of 0.490 A. When the switch in the circuit is thrown…
A: Average emf induced in the circuit: The average emf induced in the circuit is directly proportional…
Q: A circuit has a capacitor C, a resistor R, an inductor L, and a key, all connected in series. When…
A: Given: The LCR circuit.
Q: The self-inductance of the circuit in the figure below is 9.10 x 10-8 H. Find the back emf when the…
A:
Q: How fast can the 130 A current through a 0.290 H inductor be shut off if the induced emf cannot…
A: i=130 AL=0.290 He=79.0 V
Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = constant t= 1 s. A conducting…
A:
Q: The parameters of the Flayback converter are given below. Vs = 24 V N1/N2 = 3.0 Lm =500 uH R = 5 C…
A: Solution: (a). The duty ratio D for the flyback converter is related as: V0=VsD1-DN2N1Substitute the…
Q: The graph in the figure shows the emf produced by a generator as a function of time t. The coil for…
A:
Q: The voltage across an inductor is proportional to the inductor and the derivative of the current…
A: As we know that, Voltage across Inductor is given by :…
Q: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…
A: Emf produced by the generator is 10.68V Explanation:Given data:-solution:-
Q: In Figure, after switch S is closed at time t= 0, the emf of %3D the source is automatically…
A: (a) Consider the circuit current be i, the current through the inductor be I1, and the current…
Q: Correct expression for induced emf according to Lenz's law is e =- At a. b. e=- At C. e=-NA At
A:
Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 40 V, R = 5 2, and the time…
A: Battery voltage= 40 V Resistance= 5 ohm Time constant = 1 s Length and value of r is unknown.
Q: In the circuit shown, the switch S is closed at time t=0. a) Find the current in the 100 2 resistor…
A:
Q: Generators naturally produce DC Voltage and Coil AC Voltage and Magnet AC Voltage and Coil DC…
A: An electric generator works on the principle of electromagnetic induction.
Q: 7. If the current flowing through the wires is given as i(t) = I, sin(@t), find an expression for…
A:
Q: Problem 5: A loop is placed near a current carrying wire as shown in the figure. > A Which of the…
A:
Q: A 15.0 kHz, 32.0 V source connected to an inductor produces a 1.90 A current. What is the inductance…
A:
Q: 85. The emf induced in an 80-mH inductor is -0.72 V when the current through th inductor increases…
A:
Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 35 V, R = 7 2, and the time…
A:
Q: after switch S is closed at timet= 0, the emf of the source is automatically adjusted to maintain a…
A: Given,
Induced emf and motional emf are exactly the same.
a) True
b) False
Step by step
Solved in 2 steps
