A rod is moving along a loop as shown in the figure. The length of the rod is 0.10 m, the velocity v is 2.5 m/s, the total resistance of the loop is 0.030 Q, and B is 0.60 T. Find the motional emf,
Q: A motional EMF system consists of a conductive bar that can freely slide across bare wires in which…
A:
Q: (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does…
A: Detailed solution is given below: Please UPVOTE dear sir
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: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…
A:
Q: = A coil with a 10.800 cm and b = 13.000 cm is in the same plane with a long straight wire. The…
A:
Q: After being closed for a long time, the switch S in the circuit shown in the figure below is thrown…
A: The circuit diagram is shown below.
Q: A 20.0 V emf is applied to a coil with an inductance of 40.0 mH and a resistance of 0.500 Ω. a)…
A:
Q: After being closed for a long time, the switch S in the circuit shown in the figure below is thrown…
A: a)Current flowing through the inductor just before the switch is opened:I = E/Ra = 24/(4400)=…
Q: A 2.5 HP motor operates at 1725 RPM when connected to 120 Volts (single phase, 100% efficient). How…
A: Given: The power of motor is 2.5 HP. The speed of motor is 1725 RPM. The voltage is 120 V.
Q: A rectangular loop of dimensions e=0.1m and w=0.05m moves with a constant velocity v=3m/s away from…
A: Given Length (l) = 0.1 m Width (w) = 0.05 m Velocity (v→) = 3 m/s Current (I)…
Q: The generator of a car idling at 1.582E+3 rpm produces 15.3 V. What will the output be at a rotation…
A: Given value--- angular speed 1 = 1.582E+3 rpm. Voltage 1 = 15.3 V. angular speed 2 = 2.886E+3 rpm.…
Q: A motor has an armature resistance of 3.75 Ω.If it draws 8.20 AA when running at full speed and…
A:
Q: A motor has coils with a resistance of 26 and operates from a voltage of 237 V. When the motor is…
A:
Q: The switch in the circuit shown in the figure has been open for a long time. The resistors in the…
A:
Q: A wire 2 m long moves perpendicular through a 0.08 I field at a speed of 7 m/s. What EMF is induced?…
A: Given: l=2mB=0.08Tv=7m/sR=0.50ΩUsing:Emf:ξ=BlvI=ξR
Q: A motional EMF system consists of a conductive bar that can freely slide across bare wires in which…
A: Given Force F=2.3N Resistance R=27.3Ω Speed v=5.5m/s
Q: A motion EMF system consists of a conductive bar that can freely slide across bare wires in which it…
A: ε=BvLIR=BvLI=BvLR Since the length of the conductive bar is not given, let it be of unit length,…
Q: What is the rate at which the current though a 0.30-H coil is changing if an emf of 0.12 V isinduced…
A: We know that emf ϵ=-LdIdt dIdt=ϵL
Q: What is the effect on the EMF of increasing the number of turns of wire from N = 1 to N = 400?
A: The answer to the given question is as follows.
Q: When the coil of a motor is rotating at maximum speed, the current in the windings is 5.8 A. When…
A:
Q: motor has coils with a resistance of 42.0 Ω and operates from a voltage of 240 V. When the motor is…
A: The back emf is represented as a variable emf that opposes the one driving the motor. Back emf is…
Q: Diagram 1 R1 R3 R2 L S
A: Given: The diagram is as follows. Here, R1=8.33 Ω, R2=4 Ω, R3=1.12 Ω, L=32.2 mH, V=53.9 V…
Q: Consider the circuit shown in the figure below. Take & = 6.00 V, L = 7.92 mH, and R = 4.40 N. S R…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: A coil with loops of area 0.0120 m^2 rotates at 60.0 Hz through a B field of 0.125 T. How many loops…
A:
Q: (a) How much current flows through the motor when it is running smoothly? (b) Suddenly the string…
A: This problem is using two basic formulas of Electrodynamics 1.I=VR , where V = Voltage I=Current…
Q: A GOV motor has an ammeter hooked up to It. At motor start up, the reading is BA. A moment later,…
A: Given:- Vmotor = 60 V Istartup = 8 A The current drops to Idrop = 2A Find:- The emf of the electric…
Q: If a 0.6T bar magnet is pushed through a 50 turn coli with an area of 0.003m2 in 1.9sec. The induced…
A: The expression for the induced voltage(e) can be given as, e = Nϕt, where N is the number of turns…
Q: A motor has coils with a resistance of 25 Ω and operates from a voltage of 241 V. When the motor is…
A:
Q: A 120.0-V motor draws a current of 6.64 A when running at normal speed. The resistance of the…
A: Given value--- motor voltage = 120 V. current = 6.64 A. resistance of armature wire = .651 ohm. We…
Q: A solenoid has n = 1000 turns per meter and a volume of V = m³. If the rate of change of the current…
A:
Q: The generator of a car idling at 1.638E+3 rpm produces 11.6 V. What will the output be at a rotation…
A:
Q: A motor has coils with resistance of 20 Ω and operates from a voltage of 120 V. When the motor is…
A:
Step by step
Solved in 3 steps with 2 images
- A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?An electric current contains a battery that produces a voltage of 60 voltsV , a resistor with a resistance of 13 ohms, and inductor with an inductance of 5 henrys H . Using calculus, it can be shown that I I t (in amperes, A), when t seconds after the switch is closed is 13 5 60 1 13 t I e 1.4.1 Use this equation to express the time t as function of the currentI A generator produces 21.0 V when turning at 890 rev/min. What emf does it produce when turning at 530 rev/min? V
- ℇ = 100 V, R = 20.0 Ω, and L = 100.0 mH. The switch is closed att = 0. (a) What is the time constant of the circuit shown below? (b) Find the currentat t = 0.050 sec, (c) at what time the current is 40% of its maximum value?The self-inductance of the circuit in the figure below is 9.20 10-8 H. Find the back emf when the current is increasing at the rate of 1.83 107 A/s.The coil in an electric generator has 125 turns and an area of 2.42 × 10-³ m². It is desired that the maximum emf of the coil be 169 V when it rotates at the rate of 60.0 cycles per second. What is the angular speed of the generator? Answer Units: [rad/s] Mechanical input N Metal slip rings Brushes Electrical output