If pictures are not clear: Two wires each carry 10.0 A of current (in opposite directions) and are 3.0 mm apart. Calculate the magnetic field 25cm away at point P, in the plane of the wires. Also, a continuation of the question follows in 67: What is the magnetic field at point P if the currents instead both run to the left in problem 66?

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A: to draw : A) concave lens B) convex lens   

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A:

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A: Given, Focal length=5cm  

Q: Two opposite and equal charges 4 × 10-8 C when placed 2 × 10 cm away, form a dipole. If this dipole ...

A: Given, Charge of magnitude, q = 4×10-8 C distance between the two opposite charges, d = 2×10-2 cm el...

Q: Some wire of cross-sectional area 1mm? has a resistance of 20a. Determine (a) the resistance of a wi...

A: Cross sectional A1 = 10-6 m2  Resistance R1 = 20 Ω   

Q: - Two opposite and equal charges 4 x 10-8 C when placed 2 x 10 cm away, form a dipole. If this dipol...

A:

Q: Which of the following statements are true? Choose all that apply. O If light from a star passes thr...

A: option 4

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A: Given: F→=-5y2i^-4xj^

Q: then to a spring of spring constant k = 100 N/m. This is all done on an inclined erything starts at ...

A: GivenFyb=F=36 Nmb=6.7 kgmc=4.5 kgr=0.4 mk=100 N/mμs=0.63μk=0.36θ=27°

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Q: ure, two speakers separated by distance d1 = 2.30 m are in phase. You are standing 3.30 m directly i...

A: Givend1=2.3 md2=3.3 mP=1.10 W

Q: If light with a wavelength of 670 nm is incident on a single slit, what will be the width of the ope...

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Q: A dipole is set up with a charge magnitude of 1.5x10^-6 C for each range (one is positive and the ot...

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a...

Q: A crate of mass 78 kg is pushed along a floor with a force of 30 N for a distance of 9 m. Calculate ...

A: Given data: Mass (m) = 78 kg Force (F) = 30 N Distance (d) = 9 m Required: The work done (W) 

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Q: The exchange coupling as being responsible for ferromagnetism is not the mutual magnetic interaction...

A: Given, magnetic dipole moment, μ = 2.2×10-23 JTdistance, r = 12 nm

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Q: Car A has a mass of 450 g and is travelling at 2.25 m s–1. Car B has a mass of 350 g and is travelli...

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Q: 7. A car and a jeep are 7 km apart. The car starts from rest and travels towards the jeep with an ac...

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Q: At a given instant, a car travels along a circular curved road with a speed of 20 m/s while decreasi...

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Q: When you open an image and then resize the frame, what happens? What if you resize the frame first, ...

A: When you open an image and then resize the frame, what happens? What if you resize the frame first, ...

Q: Which object has the greatest momentum?        A. An 18-wheeler tractor trailer at rest.   B. An a...

A: Linear Momentum - The product of mass (m) and velocity (v) of an object is know as Linear Momentum. ...

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A: Given : What is air racing ?

Q: Titan is a moon of Saturn. Titan has wind erosion features

A: Solution

Q: A rotational system with moment of inertia, J = 0.012 kg m? carries the load torque, TL = 1 Nm. The ...

A: GivenJ=0.012 kg/m2TL=10 N/m

Q: When comparing the momentum of two moving objects, which of the following is correct? (A) a. The obj...

A: Momentum can be defined as the product of the mass and velocity of an object. Momentum can be writte...

Q: An electron travels at 2.0 x 107 m/s in a plane perpendicular to a 0.1 T magnetic field. What is the...

A: Given Data, Velocity of the electron (v)=2.0 x 107 m/s  Magnetic Field (B)=0.1 T  

Q: ... (: PA = Pa) Example 20.8. A rectangular duct 0.15 m by 0.12 m is 20 m long and carries standard ...

A: Given, Rate=0.3m³/s Friction factor=0.005

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Q: Grug is a creature formed from the top of a Burrawang tree, standing ~1.25m tall. One day, Grug clim...

A: Given : H=2.6 m, h= 0.69m

Q: 5. The semiciroular wires forming the loop in the diagram have radii a - 20.0 cm and b = 40.0 cm. Th...

A: a = 20 cm = 0.2 m b = 40 cm = 0.4 m Current (I) = 3.183 A   

Q: Q3: 1. The mathematical relationship between resistance and displacement is given by .

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: A 11 m H inductor capacitor is connected to Resistor R=13 N and 12.0 V AC. Determine f 100 200 XL 30...

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Q: A small airplane with a wing span of 11 m flies horizontally and due north at a speed of 67 m/s in a...

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Q: A box is pulled 2.0 meters along a rough surface at constant velocity using 100 N force inclined at ...

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Q: In a cubical volume of side length a = 0.50 m, the electric field is E = E (1+ 2.1)i + E,(1+1.7)j, w...

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Q: Two charges: Q1=8mC and and Q2=2.0mC are separated by 6 meters. Where should the third charge -3mC b...

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Q: 30. Two opposite and equal charges 4 x 10-8 C when placed 2 x 10 cm away, form a dipole. If this dip...

A:

Q: A motor boat moves at a steady speed of 2 m/s. Water - resistance acting on it is 2400 N. Calculate ...

A: Speed of the boat is V = 2 m/s  Water- resistance is F = 2400 N   

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Q: A piece of stone thrown vertically upwards . It reaches the maximum height in 5 seconds. If the acce...

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Q: 6-8 A soap film made with material of index of refraction n = 1.8 is illuminated by white light. If ...

A: Refractive index=1.8 Wavelength=390nm

Q: To double the covering range of a TV transmission tower, its height should be multiplied by

A: GivenTo double the covering range of a TV transmission tower