A closely wound 0.20 m x 0.20 m square coil of 100 turns is exposed to an external magnetic field of 0.74T that is perpendicular to the plane of the coil. The coil is then rotated for 10s until it makes 60 degrees with the magnetic field. Find the average induced emf during the 10s interval.

Q: The coil in a 60-Hz ac generator has an area of 3.0 x 10^-2m^2 and is rotated in a 0.12 T magnetic…

A:

Q: A 40-loop square coil has a side length of 10.0 cm. It is placed in a magnetic field so that the…

A: Given: Number of coil, N=40 Length of side of square, a=10.0 cm Initial magnetic field, Bi=0.20 T…

Q: 1. (a) (b) A circular conducting coil with radius 3.20 cm is placed in a uniform magnetic field of…

A:

Q: A 680 loop circular armature coil with a diameter of 7.4 cm rotates at 130 rev/s in a uniform…

A: Given Number loop is N=680 Diameter of the coil is d=7.4 cm=7.4×10-2 m Angular speed is given as…

Q: The maximum value of the emf in the primary coil (Np = 1200) of a transformer is 165 V. (a) What is…

A:

Q: A 22-turn circular coil of radius 3.20 cm and resistance 1.00 is placed in a magnetic field directed…

A:

Q: A fixed 12.4-cm-diameter wire coil is perpendicular to a magnetic field 0.71 T pointing up. In 0.23…

A: Diameter of coil, d=12.4 cm⇒0.124 m Initial magnetic field, B1=0.71 T Final magnetic field, B2=0.24…

Q: Two concentric circular coils of wire lie in a plane. The larger coil has 38 turns and a radius of a…

A: Given, The number of turns in the larger coil NL=38 turns. The radius of the larger coil RL=a=8.60…

Q: A closely wound rectangular coil of 100 turns has a dimension of 12.0cm x 25.0cm. In time t=0.0800 s…

A: Given, Number of turns of rectngular coil, N = 100dimension, 12.0 cm ×25.0 cmtime, t = 0.080 sit…

Q: rectangular coil of dimensions 5.0cmx10.0cm is dropped from a position where B=0 to a new position…

A: Given:- The number of turns is  N = 50  a position where B=0 to a new position where B=0.50T and is…

Q: A coil of 50 loops is pulled in 0.02 s from between the poles of a magnet, where its area intercepts…

A: In given question, magnetic flux associated is changing with time. So as per Faraday's law of…

Q: A simple ac generator consists of a coil with 10 turns (each turn has an area of 50 cm^2). The coil…

A:

Q: ne poles of a large electromagnet, where the magnetic field is uniform and at an angle of 60⁰ with…

A: As per guidelines I can solve only one question.  Number of turns is N=500 Radius is r=0.04 m Rate…

Q: square wire loop is held in a uniform 4 T magnetic field directed perpendicular to the plane of the…

A:

Q: In an AC generator, an armature that consists of 200 turns of a rectangular conducting coil is…

A:

Q: A coil of wire with 10 turns and a radius of 1.5 cm is oriented with the plane of the coil…

A:

Q: A long solenoid with n=18 turns per centimeter has a cross-sectional area of 3.0cm^2, and carries a…

A:

Q: A 75-turn coil has a diameter of 10 cm. The coil is placed in a spatially uniform magnetic field of…

A: We know that induced emf  ε=-NAdBdt.........(1)

Q: A coil of wire contains three loops. If the magnetic flux through the coil changes from - 45 Wb to…

A: Given that Number of loops in coil = 3 Change in magnetic flux (ΔΦ)=52Wb-(-45)Wb ΔΦ= 97 Wb Δt =36…

Q: A closely wound rectangular coil of 90 turns has dimensions of 21.0 cm by 50.0 cm . The plane of the…

A: Solution: Given: n = number of turns of wire in coil = 90 b = breadth of coil = 21.0 cm = 0.210 m w…

Q: Two generators use the same magnetic field and operate at the same frequency. Each has a single-turn…

A:

Q: The figure below shows a 120-turn square coil rotating about a vertical axis at at w = 1,590…

A:

Q: The maximum value of the emf in the primary coil  (NP = 1600)  of a transformer is 215 V. (a) What…

A: A) 87.344B) 0.40625Explanation:

Q: A wire loop of radius 0.33 m lies so that an external magnetic field of magnitude 0.35 T is…

A: Radius of loop (r) = 0.33 m Initial magnetic field (B) = 0.35 T Final magnetic field (B') = -0.16 T…

Q: The maximum value of the emf in the primary coil (Np = 1500) of a transformer is 125 V. (a) What is…

A: Np = 1500 Ns = 600 Vp = 125 V

Q: A 490-turn solenoid, 30 cm long, has a diameter of 3.5 cm. A 15-turn coil is wound tightly around…

A: Initially, the current in the solenoid is zero. Therefore, the initial magnetic field will be zero.…

Q: A 230-turn coil lies in the plane of the page in a uniform magnetic field of strength 4.80 T. The…

A: Given data :  N = 230 turns  B = 4.80 T  Ainitial = 0.125 m2  Afinal = 0 m2  ∆t = 0.25 sec  To find…

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: A square bobbin has 50 turns of wire. It is placed in a magnetic field such that the normal to the…

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: A B

A:

Q: A 31-turn circular coil of radius 3.60 cm and resistance 1.00 O is placed in a magnetic field…

A:

Q: The figure below shows a flexible loop of metal wire with a radius of 15.0 cm. It lies in a magnetic…

A: Given Data : The radius of the ring is given as r=15cm×1m100cm=0.15m The magnetic field is given as…

Q: When the current through an inductor is decreasing at a constant rate of 0.5A/s, the magnitude of…

A:

Q: The primary coil of a transformer has 329 turns; the secondary coil has 1000 turns. An alternating…

A:

Q: The figure below shows a circular conducting loop in the presence of an outward non-uniform magnetic…

A: Given: The magnetic field is 0.0006t3. The radius of the coil is 4.8 m. The resistance of the coil…

Q: Two concentric circular coils of wire lie in a plane. The larger coil has 68 turns and a radius of…

A:

Q: There is a coil that has 200 turns. It has a radius of 6cm. The coil is exposed to a magnetic feild…

A:

Q: Consider a rectangular loop of wire 6.9 cm by 9.0 cm in a uniform magnetic field of magnitude 1.1 T.…

A:

Q: A square coil of wire of side 2.35 cm is placed in a uniform magnetic field of magnitude 2.00 T…

A:

Q: dI A coil with a self-inductance of 4.5 H carries a current that decreases at a uniform rate =…

A:

Q: A 750-turn solenoid, 26 cm long, has a diameter of 2.5 cm. A 16-turn coil is wound tightly around…

A:

Q: A 26-turn circular coil of radius 3.80 cm and resistance 1.00 Ω is placed in a magnetic field…

A: the induced emf is, ε=NdBAdtε=NAdBdtε=Nπr2dBdt

Q: The flexible loop in the figure attached has a radius of 14 cm and is in a magnetic field of…

A: radius (r) = 14 cm = 0.14 m Magnetic field strength (B) = 0.14 TTime taken (t) = 0.21 seconds final…

Q: A 26-turn circular coil of radius 3.40 cm and resistance 1.00 Ω is placed in a magnetic field…

A: When a conducting closed loop is placed in an external changing magnetic field, the magnetic flux…