A 0.250-mH coil is carrying a current of 6.0 A. What is the stored energy in the coil. a. 4.5 x 10 J b. 12 x 10-J c. 2.0 x 10 d. 8.0 x 10-J

Q: 8. A motors draws 2 A of current when running at full speed and connected to a 120 Volt line.…

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Q: The sketches below show a circular coil and a permanent magnet; the arrows indicate both the…

A: The magnetic field can be altered by the movement of a magnet to produce electromotive force in a…

Q: Which of the following statements is incorrect?

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Q: A moving coil ammeter has its full scale deflection changed from 100mA to 500 mA with the addition…

A: Write the given values with suitable variables. Rs=0.5 ΩI=500 mAIm=100 mA Here, Rs denotes the shunt…

Q: 2.0kA of current at 500 volts is produced by a generator. A transformer is used to step up the…

A: Given data: The current in the primary coil is Ip= 2.0 kA   =2.0×103  A The voltage in the primary…

Q: 10-Ω resistive coil in a coffee maker generates heat energy at a rate of 1.0 kwatts. What is the…

A: Given that:- Resistance of the coil of coffee maker=10ohm

Q: 3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The…

A: We have a wire of length L=5 cm=0.05 m which is moving along a rail experiencing a magnetic field of…

Q: A satellite orbits the moon for 3355 s. It has an orbital radius of 2072195m. What is the…

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Q: The motor in a toy car operates on 5.30 V, developing a 3.90 V back emf at normal speed. If it draws…

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Q: A transformer has 430 turns in the primary coil and 140 in the secondary coil. By what factor does…

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Q: After the switch is closed the current takes 5ms to reach 80% of its max value. What is the…

A: Solution: Given: LR series circuit is given with DC battery for power. We are required to find the…

Q: A step-down transformer has double the amount of primary windings compared to the secondary…

A: Comparing number of primary winding to secondary winding; Current through primary winding

Q: .A 110 V direct current motor generates a back-emf of 98 V when it runs at full speed. If the…

A: Given Data: Applied voltage, V=110 V Back-emf, ε=98 V Resistance, R=10 Ω ⇒Motor runs at full speed.

Q: The power in the secondary of a transformer is 1800 W. Transformer has a primary coil with 110 turns…

A: Power in the secondary coil of transformer = 1800 W  Number of turns in secondary coil = 200 Number…

Q: When the switch is closed for 10.0 seconds the current in the resistor is: 6.00 V 2.00 F 5.00 n

A: The emf of the battery: V = 6.00 V; The capacitance: C = 2.00 F; The resistance: R = 5.00 Ω; The…

Q: The sketches below show a circular coil and a permanent magnet; the arrows indicate both the…

A: We are going to follow these basic concept to solve this question.

Q: . At its normal operating speed, an electric motor draws only 13.0% of the current it draws when it…

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Q: Suppose that you wish to construct a simple ac generator having an output of 12 V maximum when…

A: Given: The emf (V) output of the ac generator is 12 V. It is rotated at a frequency (v) of 60 Hz.…

Q: A  15Volts battery produces 4 Ampere of current in the circuit. The electrical power is measured to…

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Q: 6. Given a DC circuit with one battery and a single resistor. If the total current in the circuit is…

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Q: What is galvanization (galvanotherapeutics)? O a. Galvanization is a method that uses low voltage…

A: Galvanization is a medical treatment using electric current. This method is employed in destroying…