This time the loop has constant area 0.520 m^2, and the magnetic field has constant strength 0.890 T. This time we re going to achieve an induced voltage 0.236 V by rotating the loop through a 90 degree angle. How much time must it take for the loop to complete this 90 degree turn? 1.57 s O2.94 s O 1.96 s O 0.98 s

Q: nagnitude of the magnetic field varies with time as given by B = 92 sin(10 Tt) mT where t is…

A: Induced emf is rate of change of magnetic flux

Q: A coil has an area of 100 cm2 with 220 turns connected across a 5.00 0 resistor to form a closed…

A: Given No. of turns in the coil N=220 Magnetic field B=3.1T Resistance R=5Ω  Area A=100cm2 Time…

Q: A coil has an area of 100 cm² with 300 turns connected across a 5.00 Q resistor to form a closed…

A: Let B1 and B2 denote the initial and final magnetic field, A denotes the area, N denotes the number…

Q: In the figure (Figure 1) a conducting rod of length L = 38.0 cm moves in a magnetic field B of…

A: Given Data: Length (L) = 38.0 cm = 0.38 m.Magnitude of magnetic field (B) = 0.470 T.Speed (v) = 5.00…

Q: A conducting rod slides to the right on a conducting track in a constant magnetic field. In what…

A:

Q: A coil has an area of 100 cm2 with 220 turns connected across a 5.00 Q resistor to form a closed…

A: Given, Area of coil A = 100 cm2 = 0.01 m2 Number of turns N = 220 Resistor R = 5 Ω Magnetic field B…

Q: A loop of wire is subjected under a magnetic field of magnitude B = 0.20 T that is reduced to zero…

A:

Q: 6. A conducting rod is sliding at v= 3.0 m/s on metal rails separated by L=2.0 m. The magnetic field…

A: given that,velocity of conducting rod,v=3 msL=2 mmagnetic field, B=0.5 mTBoth B and v are…

Q: A long solenoid has a radius of 4 cm and has 800 urns/m. If the current in the solenoid is…

A: Answer  option(d)246.42 uV/m

Q: A rectangular loop of wire (0.10 m by 0.20 m) carries a current of 5.0 A in a counterclockwise…

A: Magnetic flux,ϕ=BACosθHere, A = 0.1x0.2 m2 = 0.02 m2B = 1.5 Tθ = 60o

Q: This time the loop has constant area 0.530 m^2, and the magnetic field has constant strength 0.470…

A: Given, B = 0.470 T A = 0.530 m2 E = 0.216 V   Thus φ = BAcosθ and E = ?φ / ?t

Q: A metal bar 4.9N2.7 min length rests horizontally on conductive wires that connect it to the…

A:

Q: A 25-cm-long conducting rod moves at a speed of 12 m/s in a plane perpendicular to a uniform…

A: The length of the rod isThe speed of the rod is The magnetic field strength is

Q: A metal bar of length 1.0 m, mass 25 kg, and resistance 4.0 N is free to slide on metal rails of…

A:

Q: A circular coil that has 10 turns and a radius of 0.5 m lies in a uniform magnetic field of 2.6 T.…

A:

Q: A loop of wire of radius a = 50. mm has an electrical resistance R = 0.039 Ω . The loop is initially…

A:

Q: A square loop of area A carries a current I. If the coil plane is perpendicular to a magnetic field…

A: We know that  Force on a current carrying wire due to magnetic field is given by F = L(I X B) = LIB…

Q: A circular wire coil with 37 turns and radius 2.09 cm is placed in a uniform magnetic field of…

A:

Q: A conducting rail shaped like you see in the picture has a resistance R = 3.40 Q between points (1)…

A:

Q: A motor powered by a 9.0 V battery has a square coil with 30 turns with sides 5.0 cm long and a…

A: voltage of the battery (V) = 9 volts number of turns (N) = 30 turns side of square coil (s) = 5 cm =…

Q: Problem 6: A rod AB with length L-0.195 m is lying on a rectangular conducting loop of zero…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: A long solenoid of radius 2.50 cm has 3000 turns of wire per meter. The current in the solenoid…

A:

Q: A magnetic field increases from 0 to 0.25 T in 1.8 s and is oriented perpendicular to the plane of a…

A: Concept used: Law of electromagnetic induction is used. Emf induced in a coil is equal to rate of…

Q: 50 cm long metal rod moves along the two rails so that plane of the circuit and is perpendicular to…

A:

Q: 7. A conducting rod of length = 65.0 cm is free to slide on two parallel conducting bars as shown in…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A rectangular loop of wire of sides W = 0.4 m and L = 0.74 m lying in xy plane carries a current of…

A: The magnetic moment is given by  M→ = I A→ where, I is the current and A is the area vector.  The…

Q: A uniform 4.5-T magnetic field passes through the plane of a wire loop loop when the direction of…

A: Given B = 4.5 T A = 0.10 m2 Angle made by magnetic field with plane of the loop     θ = 30°

Q: A straight wire of length 25 cm sweeps across a 0.84 T magnetic field with a speed of 1 m/s. What is…

A:

Q: A helicopter (see figure below) has blades of length 3.50 m, extending out from a central hub and…

A: Given data:- The length of the blades, l=3.50 m The angular velocity of the blades, ω=3.30 rev/s×2π…

Q: A circular coil (radius = 0.25 m) has 143 turns and is in a uniform magnetic field. If the…

A:

Q: A straight wire aligned with the z axis carries an alternating current I=I_cos (2лft). In this case,…

A:

Q: (a) What current through the coil results in a magnetic dipole moment of 3.5 A m²? 1= A (b) What is…

A: When a coil carries current it acts like magnetic dipole. When this dipole is placed in uniform…

Q: A coil has an area of 100 cm2 with 158 turns connected across a 5.00 Q resistor to form a closed…

A: The average current in the coil during this time will be = 17.6 A.

Q: A 12 cm long conducting bar is free to slide horizontally on the rails of a conducting frame, as…

A: Length of the bar L = 12 cm = 0.12 m Magnetic field B = 2.0 T Resistance R = 45 Ω Power dissipated…

Q: A coil with a wire that is wrapped 40 turns around a 0.5 m² hollow tube. A uniform magnetic field is…

A: Number of turns in the coil is N=40. Cross-sectional area of the coil is A=0.5 m2. Initial magnetic…

Q: A coil has an area of 100 cm with 201 turns connected across a 5.00 N resistor to form a closed…

A:

Q: This time the loop has constant area 0.510 m^2, and the magnetic field has constant strength 0.430…

A:

Q: A 35 gg horizontal metal bar, 11-cmcm-long, is free to slide up and down between two tall, vertical…

A: Mass of bar (m)=35gmlength of bar(l)=11cmmagnetic field (B)=Tresistance (R)=1.1 ohmterminal speed of…

Q: An electrical generator consists of a circular coil of wire of radius 5.00 cm and with 20 turns in…

A:

Q: The diagram shows a 0.010 kg metal rod resting on two long horizontal frictionless rails which…

A:

Q: A solenoid is 40.0 cm long and has a diameter of 5.00 cm. It has 80.0 loops of wire. What is the…

A: The magnetic field at the centre of the current carrying solenoid is given by B= unI where u is the…

Q: 1.0 E0.5 2.0 4.0 6.0 8.0 1(s) 1 (s) The graph shows the changes with time of a magnetic field…

A: Given : Radius of a wire (r) = 12 cm = 0.12 m

Q: A 50 cm long metal rod moves along the two rails in a plane of the circuit shown and is placed…

A:

Q: Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, I=1.20 m, and a uniform…

A: The bar should be moved at a speed of 23.4 m/sec to produce a current of 11.7 A in the resistor.

Q: A copper square loop with sides 0.08 m and mass 0.23 kg can spin freely around the central axis in…

A: According to the principle of conservation of energy, the maximum kinetic energy the loop can…

Q: A flat coil of wire consisting of 20.0 turns, each with an area of 50.0cm², is positioned…

A: Given: A flat coil of wire consisting of turns,N=20.0 ,  The area of each coil,A= 50.0 cm2 Change in…

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.