A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop...

A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a radius of 24.0 cm. A magnetic field perpendicular to the plane of the loop increases from zero to 18.0 mT in 0.20 s. Find the average electrical power dissipated in the process.

Expert Solution

genius_generous answered 1 year ago

If 47.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop...

If 47.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at a constant rate of 10.5mT/s, at what rate is thermal energy generated in the loop? _______________ W

What is the resistance of a 2.9-m length of copper wire 1.4 mm in diameter?

What is the resistance of a 2.9-m length of copper wire 1.4 mm in diameter? The resistivity of copper is 1.68×10-8Ω⋅m.

A copper wire with diameter of 1,5 mm and length of 4m carries constant current of...

A copper wire with diameter of 1,5 mm and length of 4m carries constant current of 1.75 A. The free electron density in the wire is 8,5x1028 m-3. The resistivity of copper is 1,72x10-8 .m. Calculate a) current density, b)drift velocity, c) magnitude of electric field, d) potential between the terminals of wire, e)power dissipated as heat f) mean free time. (mass of electron: 9,1x10-31kg, magnitude of charge of electron: 1,6x10-19 C)

If the wire diameter decreases to 1 mm but the length is still 20 m and...

If the wire diameter decreases to 1 mm but the length is still 20 m and still carrying the same 20.0 A current, the drift speed of electrons will (increase / decrease / stay the same), the current density will (increase / decrease / stay the same), the resistivity of the wire will (increase / decrease / stay the same), the resistance of the wire will (increase / decrease / stay the same), the electric field inside the wire will (increase / decrease / stay...

A 20-cmcm-diameter circular loop of wire is placed in a 0.64-T magnetic field. a) When the...

A 20-cmcm-diameter circular loop of wire is placed in a 0.64-T magnetic field. a) When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? Express your answer to two significant figures and include the appropriate units. b) The plane of the loop is rotated until it makes a 45 angle with the field lines. What is the angle in the equation ΦB = BAcos⁡θ for this situation? Express your answer using...

6-Torque on a coil. A circular loop of wire has a diameter of 20.0 cm and...

6-Torque on a coil. A circular loop of wire has a diameter of 20.0 cm and contains 10 loops. The current in each loop is 3.00 A, and the coil is placed in a 2.00-T external magnetic field. Determine the maximum and minimum torque exerted on the coil by the field.

A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a...

A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 34.0 m long piece of such wire. (Use 1.72×10-8 Ωm for the resistivity of copper.) 2.809×10-1 Ohm For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring, the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in the wire of the above...

Canada Wire Products processes copper into wire. It makes 16-gauge and 14-gauge wire. During April, the...

Canada Wire Products processes copper into wire. It makes 16-gauge and 14-gauge wire. During April, the joint costs of processing the aluminium were $365,000. There were no beginning or ending inventories for the month. Production and sales value information for the month were as follows: Product Feet Separable costs Selling price 14 gauge 200,000 $0.20 per metre $0.90 per metre 16 gauge 600,000 0.30 Per metre 1.00 per metre Determine the amount of joint costs allocated to each product using...

A 0.500 mm diameter copper wire makes up a 136 turns, 7.60 cm diameter coil. There...

A 0.500 mm diameter copper wire makes up a 136 turns, 7.60 cm diameter coil. There is a magnetic field parallel to the axis of the coil. If the induced current in the coil is 2.80 A, what is the rate of change of the magnetic field? a) 0.0839 T/s b) 3.63×10-6 T/s c) 12.8 T/s d) 1.74×103 T/s

A 580-mm long tungsten wire, with a 0.046-mm-diameter circular cross section, is wrapped around in the...

A 580-mm long tungsten wire, with a 0.046-mm-diameter circular cross section, is wrapped around in the shape of a coil and used as a filament in an incandescent light bulb. When the light bulb is connected to a battery, a current of 0.526 A is measured through the filament. (Note: tungsten has a resistivity of 4.9 × 10-8 ? • m.) How many electrons pass through this filament in 5 seconds? How many electrons pass through this filament in 5...

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