For a coil of unit area, induction is doubled in 0.2s. Then the induced e.m.f. is (a) 5 B (b) 10 B (c) 8 B (d) 4 B
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A: To find-(1) Induced e.m.f.(2) Induced current Given-l=0.5 mb=0.2 mR=10 ohmB1=0.05 Wb/m2B2=0 t=10-4…
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Q: b) An air cored long solenoid of length 8.0 cm and diameter of 10.0 cm is made of 35.0 turns. A…
A: Given data: The length of the solenoid is, L= 8 cm= 0.08 m The diameter of the solenoid is, d= 10…
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A: Given, Number of turns N = 48 Area A = 71m2 emf ε=3.58 Volts We know the expression for induced…
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Q: In the diagram below, a rectangular 40 loop coil of width w=10 cm and length l= 14 cm begins in a…
A: Given number of loops=40 Width(w)=10 cm Length (l)=14 cm Magnetic field=1.3 T Time period=3 s…
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A: We need to compute-Number of revolution (f)=?The data given as-radius (r)=1π mMagnetic induction…
Q: A student winds a coil of area 38 cm2 with 19 turns. They place it horizontally in a vertical…
A: Given Data, Area of cross-section (A)= 38 cm2 Number of turns (N)=19 Magnetic field (B)=0.2 T…
Q: ESS 2 2 SE 16 s SES-ES ESESESES STA ES STA ES STA ES Arod AB with length L ellism is lying on a…
A: (a)Write the expression for total induced emf across the rod AB.
Q: The current passing through a 0.40-H coil increases from 2.0-A ti 10.0-A in 0.12 s. (a) Calculate…
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Q: The current passing through a 0.40-H coil increases from 2.0 A to 10.0 A in 0.12 s. (a) Calculate…
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Q: For a toroidal solenoid, suppose the number of turns is 297, the area is 6.29 cm 2, and the radius…
A: Given, Number of turns (N) = 297 Area (A) = 6.29 cm2 Radius (R)= 9.60 cm Initial current (i1)= 0A…
Q: If the current in a 140 mH coil changes steadily from 22.0 A to 10.0 A in 450 ms , what is the…
A: Given data, Inductance L=140 mH Current 22 A-10 A Time t=450 ms
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Q: When the current in a toroidal solenoid is changing at a rate of 0.03A/s, the magnitude of the…
A: Given data Current changing at a rate of 0.03 A/s Magnitude of induced emf 11.9 mV Current 1.34 A…
Q: For a toroidal solenoid, suppose the number of turns is 186, the area is 3.74 cm 2, and the radius…
A: Given: Number of turns of solenoid, n=186 turns Cross-sectional area, A=3.74 cm2=3.74×10-4 m2…
Q: A flat coil of 500 turns each of area 50 cm-rotates in a uniform magnetic field of 0-14 Wb/m2 at an…
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Q: A 300 turns coil is cut perpendicular to the changing magnetic flux of 0 Wb to 50 mWb in 0.1 s. Find…
A: emf =enumber of turns= nchange in mag. flux=∆ϕchange in time= ∆t
Q: When the current in a toroidal solenoid changes at a rate of0.025 A/s, the magnitude of the induced…
A: The emf induced in the solenoid coil is,
Q: A coil of 100 turns is in the rectangular shape having two sides of 10.0 cm and 40.0 cm. The coil…
A: Given Length L = 40.0 cm = 40.0 x 10-2 m Breadth b = 10.0 cm = 10.0 x 10-2 m Number of turns N = 100…
Q: A coil (N=300 turns; A=0.1 m2) is placed in a magnetic field B=0.5 T such that Ө changes from 90…
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Q: A 150 turn coil of radius 2.0 cm and resistance 5.5 Q is coaxial with a solenoid of 220 turns/cm and…
A: Solenoid.
Q: A coil of 15 turns and a radius of (R=10.0) cm surrounds a long solenoid of radius 2.00 cm and 1058…
A: Here, we can apply Faraday's law of induction. The law states that, the induced emf in a coil is…
Q: A magnetic field of 0.21 T exists in the region enclosed by a solenoid that has 239 turns and a…
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Q: A cycle wheel has 10 spokes each of length 0.5 m long is rotated at a speed of 18 km/hr in a plane…
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Q: What is the average induced current in the loop if the radius of the loop is steadily increased from…
A: Given, Magnitude of the magentic field in the region, B = 0.83 Tradius of the current loop increase…
Q: A toroidal solenoid has a magnitude of induced emf of 10.3 [mV] when the rate of change of the…
A: The objective of the question is to find the number of turns in a toroidal solenoid given the…
Q: Consult Multiple-Concept Example 11 for background material relating to this problem. A small rubber…
A: Solution:-
Q: For a toroidal solenoid, suppose the number of turns is 147, the area is 6.18 cm 2, and the radius…
A: Write the expression for the self-inductance and substitute the required values.
Q: A wire loop of radius 0.30 m lies so that an external mag- netic field of magnitude 0.30 T is…
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Q: The current in an inductor L = 250 mH varies according to I = 3.8 sin(80t) A. Find: a) the induced…
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Q: A coil of 15 turns and a radius of (R=10.0) cm surrounds a long solenoid of radius 2.00 cm and 1012…
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Q: A coil having effective area A, 13 with its plane normal to a magnetic field of induction B. The…
A: To find-Induced emf (e)=?Given-Area of coil=AInitial magnetic field=BNew magnetic field=B-25% of…
Q: A wire 88 cm long bent into a circular loop is kept with plane of the coil perpendicular to the…
A: To find-Induced emf (e)=?Given data-Length of wire (L)=88 cm=0.88 mInitial magnetic induction…
Q: The current passing through a 0.40-H coil increases from 2.0-A ti 10.0-A in 0.12 s. (a) Calculate…
A: Given:- The current passing through a 0.40-H coil increases from 2.0-A to 10.0-A in 0.12 s. Find:-…
Q: a. What is the expression for magnetic field B due to the current I in the long, straight wire, at…
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