Question

A copper coil with 30 turns and radius 10 cm has a magnetic field going through...

A copper coil with 30 turns and radius 10 cm has a magnetic field going through it which changes in time according to the formula B = 5e-0.3t Tesla. The radius of the wire is 0.24 mm and the resistivity of copper is 1.68 x 10-8 Ωm.

(a) Calculate the induced voltage in the coil at 4 seconds.

(b) Calculate the induced current in the coil at 4 seconds.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A copper coil with 30 turns and radius 10 cm has a magnetic field going through...
A copper coil with 30 turns and radius 10 cm has a magnetic field going through it which changes in time according to the formula B = 5e-0.3t Tesla. The radius of the wire is 0.24 mm and the resistivity of copper is 1.68 x 10-8 Ωm. (a) Calculate the induced voltage in the coil at 4 seconds. (b) Calculate the induced current in the coil at 4 seconds.
A 26.0 cm diameter coil consists of 24 turns of cylindrical copper wire 2.40 mm in...
A 26.0 cm diameter coil consists of 24 turns of cylindrical copper wire 2.40 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 6.50e-3 T/s. Determine the current in the loop in milli-amps (the resistivity for copper is 1.72e-8Ω.m). answer in mA
A circular coil of radius 4.0 cm, resistance 0.30 Ω, and 100 turns is placed in...
A circular coil of radius 4.0 cm, resistance 0.30 Ω, and 100 turns is placed in a uniform magnetic field at an angle of 30° with the plane of the coil. The magnitude of the field changes with time according to ?(?)=20?^(−0.3?) (in Tesla, t is time in seconds). What is the value of the current induced in the coil at the time t = 2.0 s?
A coil 4 cm in radius, containing 500 turns, is placed in a uniform magnetic field...
A coil 4 cm in radius, containing 500 turns, is placed in a uniform magnetic field that varies with time according to B = 5.0 -0.1t + .012t^3 – 1.5e-0.3^t Tesla. The coil is connected to a 100 Ω resistor with its plane being perpendicular to the magnetic field. (i) What will be the emf generated in the coil as a function of time? (ii) What will be the current in the resistor at a time t = 5 sec...
The magnetic field perpendicular to a single 15.7-cm-diameter circular loop of copper wire decreases uniformly from...
The magnetic field perpendicular to a single 15.7-cm-diameter circular loop of copper wire decreases uniformly from 0.530 T to zero. If the wire is 2.25 mm in diameter, how much charge moves past a point in the coil during this operation? The resistivity of copper is 1.68×10−8Ω⋅m.
A 29 cm diameter coil consists of 22 turns of cylindrical copper wire 2.6 mm in...
A 29 cm diameter coil consists of 22 turns of cylindrical copper wire 2.6 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 7.00
A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic field...
A coil 5.00 cm in radius, containing 250 turns, is placed in a uniform magnetic field that varies with time according to: B = (0.230 T/s)t + (4.00 x 10-5 T/s5)t5.  The coil is connected to a 450 ohm resistor, and its plane is perpendicular to the magnetic field.  The resistance of the coil can be neglected.  Find the induced emf in the coil as a function of time.
A 5.0-cm-diameter coil has 20 turns and a resistance of 0.50 Ω. A magnetic field "parallel"...
A 5.0-cm-diameter coil has 20 turns and a resistance of 0.50 Ω. A magnetic field "parallel" to the coil's axis is B = 0.020t + 0.010t2, where B is in tesla and t is in seconds. a) Find an expression for the induced current I(t) as a function of time. b) Evaluate I at t = 10 s and t = 20 s.
The magnetic field perpendicular to a single 14.2-cm-diameter circular loop of copper wire decreases uniformly from...
The magnetic field perpendicular to a single 14.2-cm-diameter circular loop of copper wire decreases uniformly from 0.670 T to zero. If the wire is 2.75 mm in diameter, how much charge moves past a point in the coil during this operation? The resistivity of copper is 1.68×10−8Ω⋅m. Express your answer to three significant figures and include the appropriate units.
The magnetic field perpendicular to a single 15.7-cm-diameter circular loop of copper wire decreases uniformly from...
The magnetic field perpendicular to a single 15.7-cm-diameter circular loop of copper wire decreases uniformly from 0.550 T to zero. If the wire is 2.75 mm in diameter, how much charge moves past a point in the coil during this operation? The resistivity of copper is 1.68×10−8Ω⋅m. Express your answer to three significant figures and include the appropriate units.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT