A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at 470 rev/min?
Q: car generator turns at 380 rpm when the engine is idling. Its 310-turn, 6.00 by 8.00 cm rectangular…
A: the angular velocity of car generator,ω=380rpmthe number of turns,N=310turnsthe area of coil,A=6×8cm…
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: At what velocity (in revolutions per minute) will the peak voltage of a generator be 490 V, if its…
A: peak voltage of the generator is = 490 VN = 495 turns diameter d = 8 cm = 0.08 mB = 0.250 T
Q: The maximum induced emf in a generator rotating at 210 rpm is 45 V. How fast must the rotor of the…
A: Given that: E1=45 vω1=210 rpmE2=56 vω2=?
Q: The self-inductance of a coil is 50 mH. What is the emf induced when the current in the coil…
A:
Q: 8. A pair of power transmission lines each have 2.50- resistance and carry 650 Amp. If the primary…
A: R = 22.5 I = 650 A vp = 2.4 kv Step of transformer Vs / Vp = 10/1 Vs = Vp × 10 Vs = 2.4 × 10 =…
Q: 2. An AC generator has 75 rectangular loops on its armature. Each loop is 15.0 cm long and 6.00 cm…
A:
Q: A 250V DC shunt Generator has an Armature resistance of 0.15 ohm and a Field resistance of 200 ohms.…
A:
Q: A 60 V emf is produced in a 12 H inductor. Calculate the rate at which the current is changing in…
A: Given data The emf of an inductor is ε = 60 V. The Inductance of the inductor is L = 12 H. From the…
Q: A generator rotates its 200 turn, d = 0.19 m diameter coil at f = 3400 rpm in a B = 0.75 T field.…
A: The objective of the question is to calculate the peak voltage of a generator given the number of…
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: Problem 8: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once…
A: Part (a)Find the relation between current, power and voltage.
Q: The primary or input number of coils of a AC transformer has 500 turns while the secondary has 10…
A: Given data The number of coils in the primary coil is Np = 500 turns. The number of coils in the…
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A: Given Data:Voltage used to generate electricity Voltage gain by the old transformer Voltage gain by…
Q: A circuit consists of a 0.8 H inductor and a 3.5 ohm resistor. At t = 0 the current through the…
A:
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: The maximum induced emf in a generator rotating at 210 rpmis 35 V. How fast must the rotor of the…
A: To determine the unknown rotational speed of the maximum emf . εmax,1=NBAω1 εmax,2=NBAω2 Solve the…
Q: A step-down transformer has 63 turns in its primary coil and 20 turns in its secondary coil. The…
A: Given: Number of turns in the primary coil, Np=63 Number of turns in the secondary coil, Ns=20…
Q: When the current in an inductor decreases from I to 0.5 I then the energy stored in the inductor…
A: please see the next step for solution
Q: A step-down transformer has 56 turns in its primary coil and 30 turns in its secondary coil. The…
A:
Q: What is the back emf of a 120 V motor that draws 8.00 A at its normal speed and 20.0 A when first…
A:
Q: The primary coil of an ideal transformer provides 100 W of power. If the emf of the secondary coil…
A: Given data: An ideal transformer Power of primary coil (P1) = 100 W Voltage of secondary coil (V2)…
Q: A cassette recorder (have you ever seen those, young folks?!) uses a plug-in transformer (assume…
A:
Q: The battery charger for cellphone contains a step-down transformer with a turns ratio 1:20, so that…
A:
Q: An inductor used in a de power supply has an inductance of 12.0 H and a resistance of 180 ohms. It…
A: Here inductance = L = 12.0 H resistance = R =180 ohms. current = I = 0.50 A. We have to calculate…
Q: The generator of a car idling at 1200 rpm produces 14.2 V. What will the output be at a rotation…
A: Given data:- The speed of the generator is N1=1200 rpm The another speed of the generator is N2=2800…
Q: 12. A 600 kVA, 2000/200V transformer has a primary winding resistance of 0.6Ω and a secondary…
A: Given- Power = 600 KA Primary voltage V1=2000 V Secondary voltage V2=200 V Primary winding…
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: generator rotating at 1800 revolutions per minute produces an efective emf of 120 V . When connected…
A:
Q: A step-up transformer has 23 turns on the primary coil and 750 turns on the secondary coil. If this…
A: Number of turns in the primary coil is Number of turns in the secondary coil is Output voltage is…
Q: w many turns are in its secondary coil, if its input voltage is 120 V and the primary coil has 405…
A:
Q: A transformer has a primary coil with 360_turns and a secondary coil with 5600_turns. If the voltage…
A:
Q: An ideal neon sign transformer provides 9 250 V at 30.0 mA with an input voltage of 115 V. Calculate…
A: We know that-For an ideal transformer,The power input equals the power output,Input power of the…
Q: A step-down transformer has 62 turns in its primary coil and 40 turns in its secondary coil. The…
A:
Q: A transformer having efficiency of 90% is working on 200 V and3 kW power supply. If the current in…
A:
Q: What is the instantaneous value of the emf in the coil at t= s? Assume that the emf is 22 zero at t…
A:
Q: 0.2 H inductor and 146 ohm resistor are connected to a 12V battery. When will the current will…
A:
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 6 images
