A flat coil of wire consisting of 22 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 2 T to 7 T in 2.0 s.
What is the magnitude of the emf (in Volts) induced in the coil?
Your answer should be a number with two decimal places, do not include the unit.
A flat coil of wire consisting of 22 turns, each with an area of 50 cm2,...
A flat coil of wire consisting of 15 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 3 T to 7 T in 2.0 s. What is the magnitude of the emf (in Volts) induced in the coil? Your answer should be a number with two decimal places, do not include the unit.
A flat coil of wire consisting of 25 turns, each with an area of 3.5e-3 m2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 4 T to 9 T in 1.2s. If the coil has a total resistance of 0.5 Ohm, what is the magnitude of the induced current? a. 45.5mA b. 168mA c. 303mA d. 26.9mA e. 673mA
A flat coil of wire consisting of 20 turns, each with an area of 10 cm, is positioned perpendicularly to a uniform magnetic field that varies with time according to B=2.5 f. where t is measured in s and B in T. If the coil has a total resistance of 0.10 9, what is the magnitude of the induced current at 0.8s? a. 0.20 A b. 0.60 A c. 0.50 A d. 0.80 A e. None of the above At what frequency...
coil with 22 turns sits in a magnetic field. The cross-sectional area of the coil is 9.6 cm2. If the magnetic field uniformly reduces from 11 T to 3.0 T in 6.0 seconds, what is the magnitude of the induced emf in that coil?
A circular coil enclosing an area of 97 cm2 is made of 201 turns of copper wire. The wire making up the coil has resistance of 6.0Ω, and the ends of the wire are connected to form a closed circuit. Initially, a 1.7 T uniform magnetic field points perpendicularly upward through the plane of the coil. The direction of the field then reverses so that the final magnetic field has a magnitude of 1.7 T and points downward through the...
A flat loop of wire consisting of a single turn of cross-sectional area 6.10 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 1.35 T to 3.75 T in 2.20 s. What is the magnitude of the resulting induced current if the loop has a resistance of 7.75 Ω? I = mA
A flat loop of wire consisting of a single turn of cross-sectional area 8 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.5 T to 2.5 T in a time of 1.19 s. The total resistance is 0.719 Ω. What is the resulting induced current? Answer in units of mA.
A wire coil of 25 turns has a cross-sectional area of 10 cm2. The coil is placed in a uniform field of a large magnet with B = 0.17 T. The coil is suddenly rotated 90 o from an orientation parallel to the field to one perpendicular to the field. The time to flip the coil is 0.51 s. What is the magnitude of the average emf produced? What will be the average current produced if the circuit of the...
please show calculations. the answers are 11mA, 4.8uC, and
1.0V
A 50-turn circular coil (radius = 15 cm) with a total resistance of 4.0 ohm is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitude of this field varies with time according to B = A sin (at), where A = 80 mu T and alpha = 50 pi rad/s. What is the magnitude of the current induced in the coil at t...
QUESTION 27 A circular coil of wire with radius 3 cm and 50 turns is placed in a uniform magnetic field of magnitude 0.4 T. The magnetic field is parallel to the area vector; l.e. perpendicular to the plane of the coll." a) What is the magnetic flux through the coll? b) The magnetic field is decreased to 0 in 0.1s. What is the magnitude of the emf induced in the coll during this time interval? c) If the coil...