A dc motor with its rotor and field coils connected in series has an internalresistance of 2.00 Ω. When running at full load on a 120 V line, itdraws a 4.00 A current. What is the emf in the rotor?

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A: Given data, 390 (rpm); N=296-turns; rectangular coil having, a=5.04 cm, b=7.99 cm; peak emf, ε=24.4…

Q: A dc motor with its rotor and field coils connected in series has an internalresistance of 2.00 Ω.…

A: The internal resistance of the motor is r = 2 Ω The current drawn from the motor is I = 4 A

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A: Given data: Angular speed =2.5 rev/sec ε0=55 v w0=1600 rev/min ε=8 v Find: Average back emf of the…

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Q: For the circuit in the figure, at t = 0 the switch S is closed with the capacitor uncharged. If C =…

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A: Given, Number of turns,N=46 Area of coil, A=0.07 m2 Angular speed,ω=25 rad/s Magnetic field,B=0.48 T…

Q: The magnetic flux that passes through one turn of a 14-turn coil of wire changes to 2.71 from 9.23…

A: From faraday's law of induction, we know that the magnitude of induced emf is directly proportional…

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A: The emf (electromotive force) induced in a rotating coil is given by the equation: emf = NABωsin(ωt)…

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A: Concept used: Slope of torque-current curve gives torque constant. Relationship between motor's back…

Q: A 2.2 Henry inductor and a 177Ω resistor are connected in series with a 24V battery.  A long time…

A: The inductance of the inductor L=2.2 H. The resistance of the resistor R=177 Ω. The voltage of the…

Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…

A: We know that in a transformer:Transformation ratio r=VoutVin=NSNP ≡Voltage outVoltage in=Turns on…

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Q: A dc motor with its rotor and field coils connected in series has an internalresistance of 2.00 Ω.…

A: The power consumed by a resistor can be given by the following relations. P=I2R=V2R=VI

Q: A 3.5 mH inductor and a 4.5 mH inductor are connected in series and a time varying current is…

A: Given Data: Inductance 1 (L1) = 3.5 mH = 3.5×10-3 H.Inductance 2 (L2) = 4.5 mH = 4.5×10-3 H.Total…

Q: A current of 5.75A flows in the coul of wire from an applied voltage of 120V. The motor operates at…

A: I = 5.75 A  Vapplied = 120 V  Back emf ( E ) = 32 V

Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…

A:

Q: A dc motor with its rotor and field coils connected in series has an internalresistance of 2.00 Ω.…

A: Given: The internal resistance of motor is r=2.00 Ω. The voltage of the motor is V=120 V. The…

Q: At what speed must a sliding rod move to produce an emf of 1.05 V in a 1.54 T field, given the rod's…

A: Given data ε=1.05 VB=1.54 TL=0.303 m