a 20 turn coil of area 10 cm ^2 is placed in a magnetic field so that the normal to its area is in the direction of the field. if the originally has a value of 0.25 T that increases to 0.35 T in 2.0 s, what is the average emf induced in the coil?
Q: A single circular loop of wire of radius 0.46m is positioned in a uniform magnetic field of 0.47T…
A:
Q: circular coil with 8 loops is experiencing an emf due to the changing magnetic field where it is…
A:
Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: From faradays law of electromagnetic Induction we know that Emf induceed in the closed loop is…
Q: A coil with 8 turns has square loops measuring 0.2m on a side and a resistance of 3Ω. It is placed…
A:
Q: A 109 turn circular coil of radius 2.01 cm is immersed in a uniform magnetic field that is…
A:
Q: A coil that is wound with 50 turns of wire in the shape of a square is placed in a magnetic field…
A:
Q: The magnetic field through a coil change from 7 nT to 9 nT in 5 seconds. If the coil has 3500 turns…
A:
Q: 290-turn coil lies in the plane of the page in a uniform magnetic field of strength 7.80 T. The coil…
A:
Q: What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth's…
A: Given that,Number of turns : N = 1000 (turn)Diameter : d = 20 (cm)Magnetic field : B = 5×10−5…
Q: A coil formed by wrapping 70 turns of wire in the shape of a square is positioned in a magnetic…
A:
Q: A coil of wire consists of 65.0 turns and has an area of 7.9 m2. The magnetic field through the…
A: The given values are, N=65.0A=7.9 m2∆B=12.9 T-4.2 T=8.7 T∆t=0.15 s
Q: To make an electric generator, a coil is made having 373 turns. The area of the coil is 0.02 m², and…
A:
Q: A 75-cm side length square coil has 125 turns. An initial uniform magnetic field of strength 11.5 mT…
A: Length of side of square coil, a = 75cm = 0.75 m Magnetic field, B = 11.5mT = 11.5×10-3T Number of…
Q: A rectangular coil has a cross-sectional area of 30 cm2 and 50 turns. If the coil rotates at 60…
A: When there is relative motion between coil and magnet an emf is induced. This can be stated as that…
Q: A coil of effective area 30 m² is placed in region where the magnetic field is initially zero.…
A: Given Data: NA = 30 m2 Bf = 1.25 T Bi = 0 ∆t = 0.15 s
Q: A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of…
A: Given No. Of turns on coil n = 50 Diameter of coil d = 15 cm Magnetic field B = 0.5 T Angle plane…
Q: What is the peak emf generated by rotating a 1070-turn, 16 cm diameter coil in the Earth’s 5·10−5 T…
A: Number of turns (N) = 1070 Diameter (d) of coil = 16 cm = 0.16 m Magnetic field (B) = 5×10-5 T Time…
Q: Some electronic devices such as phones and watches can be charged wirelessly. In the charger, there…
A:
Q: Suppose a 51-turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: This is a case of changing magnetic flux so Faraday's law will be applied which tells us that…
Q: An emf of 17.0 mV is induced in a 480-turn coil when the current is changing at the rate of 10.0…
A: The self induced emf in a RL circuit is defined as ε=L∆I∆t or we ca write L=ε∆I∆t In this question,…
Q: The magnetic field shown in the diagram is oriented perpendicular to the loop and is described by…
A: Change in Magnetic Flux = BA B is change in Magnetic Field and A is area
Q: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…
A: 18 V
Q: If the coil of a generator has 120 loops with an area of 0.49 m², what is the maximum emf produced…
A:
Q: The magnetic flux through the loop increases according to the relation B 6.0t² + 7.0t as show in the…
A: The magnetic flux as a function of time is given by,
Q: What is the magnitude of the average emf & induced as the coil is rotated? Express your answer in…
A:
Q: is a square of side 18 c form magnetic field directed perpendicular to t e coil is turned on. If the…
A: Induced EMF is the change in potential difference due to a change in the magnetic flux of a coil,…
Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…
A:
Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…
A: Given: The strength of the initial magnetic field is zero. The strength of the final magnetic field…
Q: A wire coil has 156 turns and sits in an externally applied steadily changing magnetic field that is…
A:
Q: Suppose you rotate a 1000 turn, 19 cm diameter coil in the Earth’s 5.00 × 10-5 T magnetic field.…
A:
Q: A 52-turn coil with an area of 3.4 X103 m2 is dropped from a position where B= 0.00 T to a new…
A: Given that:-Number of turns, N=52Area, A=3.4×10-3 m2Initial magnetic field, Bi=0.00 TFinal magnetic…
Q: An emf is induced by rotating a 1000 turn, 19 cm diameter coil in the Earth’s 5.00 × 10-5 T magnetic…
A: Number of turns , N = 1000 Diameter , d = 19 cm = 0.19 m Radius , R = 0.095 m Magnetic field , B = 5…
Q: A 0.9 m x 0.3 m rectangular coil with 15 loops is placed on a changing magnetic field. The magnetic…
A:
Q: A square loop of wire is held in a uniform 0.24 T magnetic field directed perpendicular to the plane…
A: The equation for the induced emf is given by,
Q: Consider a square-shaped conducting coil with 50 turns of wire. Each turn of the wire has a length…
A:
Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…
A:
Q: A magnetic field is directed at an angle of 40 degrees with respect to the plane of a square coil…
A:
Q: A wire loop with an area of 1.4×10−2 m2 is in a magnetic field of 0.36 T directed at a angle 30 to…
A: given: A = 1.4*10-2 m2 B = 0.36 T angle θ = 300 ∆t = 36 ms = 36*10-3 s
Q: A 520-turn coil with an area of 0.305 square meters is spun in the Earth's 5.00 x 10-5 tesla…
A: The objective of the question is to find the frequency at which the coil must be spun to produce a…
Q: A coil of 15 loops of wire is laying on the table. It experiences an increasing magnetic field going…
A:
Q: A single circular loop of wire of radius 0.25m is positioned in a uniform magnetic field of 0.25T…
A:
Q: A coll consists of 200 turns of wire having a total resistance of 2.0 Q. Each turn is a square of…
A: Given, Total number of turns = 200 Total resistance = 2 ohm Field change 0 to 0.5 T. We need to…
Step by step
Solved in 2 steps