Question

An armature had 100 turns of wire and a cross-sectional area of 0.02 m2 . The...

An armature had 100 turns of wire and a cross-sectional area of 0.02 m2 . The armature is rotating at a frequency of 50.0 Hz to produce a peak emf of 6.0 V. Determine the magnetic field

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Solution:-

Here we will use the formula to calculate the emf of an armature, RMS value of armature emf is given by:

Here,

As already given;-

Here

B- magnetic field

A-area

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
An inductor coil has a cross-sectional area of 5E-5 m2, and consists of 500 turns of...
An inductor coil has a cross-sectional area of 5E-5 m2, and consists of 500 turns of wire. If a magnetic field of 0.4 T is generated within the coil with a current of 35 A, what is the energy storage capacity of this inductor coil?
Faraday's Law: A bar magnet is pushed through a coil of wire of cross-sectional area 0.025...
Faraday's Law: A bar magnet is pushed through a coil of wire of cross-sectional area 0.025 m2 as shown in the figure. The coil has seven (7) turns, and the rate of change of the strength of the magnetic field in it due to the motion of the bar magnet is 0.065 T/s. What is the magnitude of the induced emf in that coil of wire?
An inductor coil has a cross-sectional area of 5E-5 m2, and consists of 500 turns of...
An inductor coil has a cross-sectional area of 5E-5 m2, and consists of 500 turns of wire. If a magnetic field of 0.4 T is generated within the coil with a current of 35 A, what is the energy storage capacity of this inductor coil? s A. 0.18 J B. 0.75 J C. 1.2 J D. 2.4 J E. 3.3 J
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is...
A well-made circular coil of wire consisting of 50 turns whose radius is 0.08 m, is made to spin about a diameter at a rate of 3 times every second. If the coil is placed a uniform magnetic field of field strength 0.21 T whose direction is perpendicular to the diameter, what is the peak emf induced in the coil? A wire has a cross-sectional area of 1.8x10-4 m2 and a resistivity of 3.2x10-8 ohm-meters. How long of a piece...
A long, straight solenoid with a cross-sectional area of 12.00 cm2 is wound with 80 turns...
A long, straight solenoid with a cross-sectional area of 12.00 cm2 is wound with 80 turns of wire per centimeter, and the windings carry a current of 0.16 A. A second winding of 10 turns encircles the solenoid at its center. The current in the solenoid is turned off such that the magnetic field of the solenoid becomes zero in 0.08 s. What is the average induced electromotive force (emf) in the second winding? ( ??=?? ? ??−??.?/? ) (?=?.??)
A solenoid with a cross-sectional area of 1.14×10-3 m2 is 0.610 m long and has 985...
A solenoid with a cross-sectional area of 1.14×10-3 m2 is 0.610 m long and has 985 turns per meter. Find the induced emf in this solenoid if the current in it is increased from 0 to 2.00 A in 33.3 ms. (Answer in V)
A solenoid 28.0 cm long and with a cross-sectional area of 0.500 cm^2 contains 480 turns...
A solenoid 28.0 cm long and with a cross-sectional area of 0.500 cm^2 contains 480 turns of wire and carries a current of 90.0 A. A-)Calculate the magnetic field in the solenoid. B-)Calculate the energy density in the magnetic field if the solenoid is filled with air. C-)Calculate the total energy contained in the coil's magnetic field (assume the field is uniform). D-)Calculate the inductance of the solenoid.
A copper wire is 8.00 m long, and has a cross-sectional area of 1.00 × 10–4...
A copper wire is 8.00 m long, and has a cross-sectional area of 1.00 × 10–4 m2. This wire forms a 1turn loop in the shape of a square and is then connected to a battery that applies a potential difference of 0.100 V. If the loop is placed in a uniform magnetic field of magnitude 0.400 T, what is the maximum torque that can act on it? The resistivity of copper is 1.70 × 10–8 Ω · m. Define...
A copper wire is 8.00 m long, and has a cross-sectional area of 1.00 × 10-4...
A copper wire is 8.00 m long, and has a cross-sectional area of 1.00 × 10-4 m2. This wire forms a 1turn loop in the shape of a square and is then connected to a battery that applies a potential difference of 0.100 V. If the loop is placed in a uniform magnetic field of magnitude 0.400 T, what is the maximum torque that can act on it? The resistivity of copper is 1.70 × 10-8 Ω • m. Define...
9) If the pressure in a pipe with a cross sectional area of 2.0 m2 is...
9) If the pressure in a pipe with a cross sectional area of 2.0 m2 is 150,000 Pa and the velocity of the fluid is 5.0 m/sec, what will be the pressure in the pipe at another point that is 4.0 m higher and has a cross sectional area of 6.0 m2 ?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT