A tangent galvanometer has 50 turns and mean diameter 2n cm. The horizontal component of earth's magnetic induction at a place is 3 x 10-3 T. Calculate (i) reduction factor (ii) current required to produce deflection of 45° Ho = 4n x 10:7 S.I.Unit

Q: |A bar magnet of moment 2 Am' and having M.I. of 10“ kg/m² about a transverse axis passing through…

A: Given that:- Moment, M=2 Am2Moment of inertia, I=10-6 kg/m2Magnetic induction, B=0.8×10-5 wb/m2

Q: An aircraft has a wing span of 30 m Find the emf induced belimeen the cuing tips when it flies at…

A: The speed of the aircraft is given as v =100*1000/3600 = 27.7 m/s

Q: A 40-cm long solenoid, 2.6 cm in diameter, is to produce a 0.060-T magnetic field at its center. 1)…

A:

Q: The copper rod 1.5m long is rotated in a magnetic field of induction 6x105wb/m². If it performs 1200…

A:

Q: A solenoia of length 30 cm carri current of 9A. It has its windings in 2 lar with each layer having…

A: Given, Length of the solenoid, l=30cm Current, I=9 A It has 2 layers of winding Each layer has 600…

Q: * beam of elections travelling at 10.2x107m/s is bent into & circle of radius 6x10²2m by a magnetic…

A: To find-Ratio of em=?Provided data is as given-v=10.2×107 m/sr=6×10-2 mB=10-2 wb/m2

Q: :. An electron moving at the speed of 107 m/s, enters a magnetic field of induction 0.1 T at right…

A: To find-Radius of path of electron=?Given-Speed of electron (V)=107 m/sMagnetic field (B)=0.1 T

Q: 16) A (00 turn of 0.(00 m². The coil encloses cir cumtere ntial loil an are a has a resistance of 10…

A: Calculate the total magnetic field. Calculate the magnetic flux.

Q: How many turns must be wound on a flat, circular coil of radius 20 cm in order to produce a magnetic…

A:

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…

A: We had to compute- (a) Emf induced between the axle and the rim of cycle wheel (e1)=? (b) Emf…

Q: Explain how magnetic flux can be zero when the magnetic field is not zero.

A: Given : Magnetic flux

Q: Magnetic induction at a distance 10 m from center of circular coil of area 1m² carrying 10 A is 2 x…

A: To find-Magnetic induction (B)=?Given-A=1 m2I=10 Ax=10 m

Q: A coil of wire of 20 turns has across sectional area of 0.1 m2. A magnetic field of 0.5T passes…

A: number of turns in the coil, N=20 Area of cross section of the coil, A=0.1 m2 magnetic field passing…

Q: (Next two questions) For a loop of current 2.5 A with radius 4 mm, calculate the magnetic field at…

A: Formula used

Q: The distance between the wingtips of an aircraft is 40m. Find the e.m.f. induced between the…

A: The induced emf is given by  ε=Blv it is given that  B=4×10-5 wb/m2l=40 mv=1000 km/hr=277.78 m/s

Q: An aircraft has a cuing span of 30 m Find the emf induced belimeen the cuing tips when it flies at…

A: We need to compute-Emf induced between wings  tips (e)=?Given that-l=30 mv=1000…

Q: A singly charged 7Li ion has a mass of 1.16 x 10-26 kg. It is accelerated through a potential…

A: Given: In this question, The given details are, A singly charged 7Li ion has a mass of m=1.16×10-26…

Q: A 48-cm-long solenoid, 1.5 cm in diameter, is to produce a 0.06-T magnetic field at its center. If…

A:

Q: A long radius R the number solenoid has and of turns per unit of leng th is n. An increasing current…

A: Magnetic field inside a solenoid is given by B=u⁰nI

Q: In a certain region of space, a uniform magnetic field of flux density 1.5 T is directed…

A: When a charged particle moves in a magnetic field at some angle, then there is a force exerted by…

Q: R= 5.00 2 Rajah 3 / Figure 3 Gelung tersebut berputar sebanyak 90.0° selama 0.050 0 s. Kira magnitud…

A:

Q: The magnetic field inside a 14.0 cm-long solenoid is measured to be 5.34 x 10-4 T. If the solenoid…

A:

Q: A person who works with large magnets sometimes places her head inside a strong field. She reports…

A: In this question we have to answer how the given situation is associated with induction. Please give…

Q: 5. Two similar coils of radius R are lying concentrically with their planes at right angles to each…

A: Given, Two concentric coils of radius, R carrying current, I and 2I

Q: orizontal wire with a mass per unit length of 0.4kg/m carries a current of OA in direction. If the…

A: mass per unit length is  0.4 kq/m current I=6A g is gravity = -9.8m(z^)/s2 The expression for force…

Q: 5) A metal bar with length L= 0.50 m, mass m = 80 gram, and resistance R = 5 N is placed on fri…

A:

Q: A 364 turn circular coil of diameter 70 cm is placed in the earth's magnetic field 0.47 G, such that…

A: Here given there are 364 turns of a coil with radius 70 cm..The magnetic field is 0.47 G.The current…

Q: a) What is the speed of a supersonic aircraft with a 17.0 -m wingspan, if it experiences a 1.60 -V…

A: Solution: Given that L = 17 m ε Voltage = 1.6 V B = 8x10-5 T

Q: A bar magnet is held above the floor and dropped (Fig. 21-51). In case (a), the magnet falls through…

A: When the magnet falls through a loop, due to electromagnetic induction, there will be an electric…

Q: When a current of 60 mA is passed through the coil of a tangent galvanometer a deflection of 45°is…

A: We have to find, BH Given that, I=60 mA=60×10-3 A=6×10-2 Aθ=45°n=50 turns,r=8.8 cm=8.8×10-2…

Q: The magnetic field perpendicular and inward to the plane of the page shown in the figure is…

A:

Q: If 53.5 cm of copper wire (diameter = 0.828 mm, resistivity = 1.69 × 10-80-m) is formed into a…

A: Step 1:Given:Length of the copper wire, L=53.5 cmThe cross-sectional diameter of the wire, d=0.828…

Q: Find the current sensitivity of T.G. when the deflection is 60°. Given : number of 41 turns = 50,…

A: To Find: Current sensitivity (Cs) Given: Deflection θ = 60o Number of turns (n) = 50

Q: 20. FIGURE below shows a zero-resistance rod sliding to the right on two zero-resistance rails…

A: We know that emf induced will be  Emf= Blv Current induced will be  I= emf/ R

Q: A rectangular coil having 100 turns of length 10 cm and breadth 5 cm is suspended in radial magnetic…

A: To find- Current sensitivity of MCG (S)=? Given data- n=100l=10.0 cm=0.1 mb=5 cm=0.05 mB=0.002…

Q: Magnetic induction at a distance 10 m from center of circular coil of area 1m² carrying 10 A is 2 ×…

A: To find-Magnetic induction (B)=?Given-A=1 m2I=10 Ax=10 m

Q: How much current does a long wire carry if it produces a magnetic field of magnitude 4.6 microteslas…

A: Strength of magnetic field (B) = 4.6 × 10-6 T  Field distance (r) = 0.21 m

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…

A:

Q: How much work must be done to move a 0.4m long conductor with a current of 21A by 0.25m in a…

A: The objective of the question is to calculate the work done to move a conductor in a magnetic field…