Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of
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A: Recall P=iεSo E= energy supplied by battery=Pt=iεtNow energy converted to KE=EηWhere η is efficiency
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A: Given that:- Mass of toy car=m=0.718kg
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Q: A 1.45 kW hair dryer is connected to a 120 V line. The peak current going through the hair dryer is…
A: Power (p)=1.45 kW AC line Voltage (v)=120 V
Q: 0.364 kg toy car is powered by two C cells (3.00 V total) connected directly to a small DC motor.…
A: GivenMass of toy car(m)=0.364 kgVoltage(V)=3 VEffective energy conversion…
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Q: A circuit has resistors R1=R2=R3=R4=5.00Ω and R5= 6.00Ω connected to an ideal battery of emf =…
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Q: 0.718 kg toy car is powered by one 9V battery (9.00 V) connected directly to a small DC motor. The…
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Q: A 60 W (120 V) night light is turned on for an average of 12 h a day year round. What is the annual…
A: The total energy consumed in one tear will be, E=60 W12 hr365 =262,800 Wh =262.8 kWh
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Q: The current in a single-loop circuit with one resistance R is 6.6 A. When an additional resistance…
A: Recall V=iR Ohm's law for single loop circuit.
Q: The motor in a toy car is powered by four batteries in series, which produce a total emf of 6.00 V.…
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Q: 1.71 kW hair dryer is connected to a 120 V line. The peak current going through the hair dryer is A.…
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Q: A 1.00-MQ voltmeter is placed in parallel with a 75.0-kQ resistor in a circuit. If the current…
A: Given that,The resistance of the resistor : R1 = 75.0 (kOhm) The resistance of the voltmeter : R2 =…
Q: Suppose the emf of the battery in the circuit shown in the figure varies with time t so that the…
A: i (t) = 2.5 + 6 t R = 4.5 ohm L = 4 H Emf = L d(i(t))/dt Emf = L d(2.5 + 6t)/dt Emf = L (6) Emf = 4…
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A: option (a) current is 0.24 A and the energy delivered is 518.4 J current, I = VR=1250=0.24 A
Q: In the circuit shown in the figure, R1 = 20.0 N, R2 = 30.0 N, R3 = 40.0 N, L = 15.0 H and e = 100 V.…
A: Given, R1=20 ΩR2=30 ΩR3=40 ΩL=15 Hε=100 V When the switch is closed, current flows through the…
Q: An ideal battery has an emf of 150V on the left side and a second emf on the right side of 50V. If…
A: We have to use Kirchhoff voltage law
Q: The motor in a toy car is powered by four batteries in series, which produce a total emf of 5.20 V.…
A: Given data: Number of batteries are, N=4. Total emf is, E=5.20 V. Current withdrawn by motor is,…
Q: A 0.364 kg toy car is powered by four AA batteries (6.00 V total) connected directly to a small DC…
A: kinetic energy of car =12mv2=12×0.364×2.352=1.005095 Joules If E is the energy suplied by the…
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Q: A capacitor and a resistor are connected in parallel to a 120-V, 60-Hz line. The resistor has a…
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Q: ch S is closed at t = 0. (a) When the voltage across the capacitor is 8.00 V, what is the magnitude…
A: In the figure, We have given ε= 36.0 V C = 5.0 μF = 5.0 x 10-6 F R = 120 ohms Find:- (a) When…
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![Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced,
give an estimate of the self-inductance of the circuit.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa289e937-a083-447f-a236-cdb965828886%2F5d199d6d-19c5-49e8-aa10-0add88835d23%2Ffb49yh8_processed.jpeg&w=3840&q=75)
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