Question

A circular loop in the plane of a paper lies in a 0.75 TT magnetic field...

A circular loop in the plane of a paper lies in a 0.75 TT magnetic field pointing into the paper. The loop's diameter changes from 20.5 cmcm to 6.4 cmcm in 0.46 ss .

What is the magnitude of the average induced emf?

What is the average induced current if the coil resistance is 4.3 Ω?

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 circular loop in the plane of the paper lies in a 0.75 T magnetic field...
A circular loop in the plane of the paper lies in a 0.75 T magnetic field pointing into the paper. The loop’s diameter is changed from 20.0 cm to 6.0 cm in 0.50 s. Determine the direction of the induced current and justify your answer. Determine the magnitude of the average induced emf. If the coil resistance is 2.5 Ω, what is the average induced current?
A circular loop in the plane of the paper lies in a 0.65 T magnetic field...
A circular loop in the plane of the paper lies in a 0.65 T magnetic field pointing into the paper. If the loop's diameter changes from 19.4 cm to 7.2 cm in 0.15 s , what is the direction of the induced current? What is the magnitude of the average induced emf? If the coil resistance is 3.3 ? , what is the average induced current?
A circular loop in the plane of the paper lies in a 0.78 T magnetic field...
A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper. A) What is the magnitude of the average induced emf? Answer in V. B) If the coil resistance is 4.3 ohm , what is the average induced current? Answer in A
A circular loop in the plane of the paper lies in a 0.76 T magnetic field...
A circular loop in the plane of the paper lies in a 0.76 T magnetic field pointing into the paper. If the loop's diameter changes from 20.2 cm to 9.6 cm in 0.56 s. What is the direction of the induced current? What is the magnitude of the average induced emf?
A circular loop in the plane of the paper lies in a 0.38 T magnetic field...
A circular loop in the plane of the paper lies in a 0.38 T magnetic field pointing into the paper. Part A: If the loop's diameter changes from 19.4 cm to 5.8 cm in 0.49 s , what is the direction of the induced current? Part B: What is the magnitude of the average induced emf?
A circular loop of wire with area 0.020 m2m2 lies in the x-y plane. Initially there's...
A circular loop of wire with area 0.020 m2m2 lies in the x-y plane. Initially there's a magnetic field of 3.6 TT in the -z-direction. The field remains constant for 11 ss , then decreases gradually to zero in 11 ss , and then remains zero for 11 ss . Part A: Find the magnitude of the induced emf in the loop for the first 11 ss interval. Express your answer to two significant figures and include the appropriate units....
A time-varying magnetic field is perpendicular to the plane of a circular loop of diameter 10...
A time-varying magnetic field is perpendicular to the plane of a circular loop of diameter 10 cm made with wire of diameter 3.4 mm and resistivity 2.07 × 10-8?·m. The magnetic field increases as a function of time, with magnitude B = (0.79 t) T/s a) What is the magnitude of the emf induced in the loop? b) What is the value of the current through the loop? c) At what rate does energy appear as thermal energy in the...
A fixed 16.9-cm diameter wire coil is perpendicular to a magnetic field 0.44 TT pointing up....
A fixed 16.9-cm diameter wire coil is perpendicular to a magnetic field 0.44 TT pointing up. In 0.28 s, the field is changed to 0.30 TT pointing down. What is the average induced emf in the coil?
A circular loop of wire of area 0.25?2 lies in the x-y plane with its center...
A circular loop of wire of area 0.25?2 lies in the x-y plane with its center at the origin. A uniform magnetic field of 2.00 T points in the positive z-direction. The loop begins to rotate at t = 0s at the rate of 60 rpm. a. What is the flux through the loop as a function of time? b. What is the emf in the loop as a function of time? c. If the loop has a resistance of...
A circular loop with 50 coils is pulled (to the right) from an external magnetic field...
A circular loop with 50 coils is pulled (to the right) from an external magnetic field of 0.8 T into the page. At t=0 the right edge of the loop is at the right edge of the magnetic field. After 0.250 seconds the loop has moved completely out of the magnetic field. Diameter of the coil is 10 cm Find the rate of change in flux through one loop as the loop if the loop is pulled out of the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT