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  • 8. Two long straight wires pass through x and x = 7 cm and each carry...

    8. Two long straight wires pass through x and x = 7 cm and each carry currents of 8 A as 3 cm shown in the figure. a) What is the value of the magnetic field at the origin? (Be sure to specify direction.) b) What is the force on a 5 pc charge at the origin moving with a...

  • Two large rectangular sheets of charge of side L are separated by a distance d (d << L) have a surface charge density of 4.2 uC/m2

    Problem 7: Two large rectangular sheets of charge of side L are separated by a distance d (d << L) have a surface charge density of 4.2 uC/m2. Take +x to be to the right. Randomized Variables σ =4.2 μC/m. Part (a) Enter the value of the electric field, in newtons per coulomb, at point A. Assume point A is 0.1 d from...

  • please answer and i will give a thumbs up. 5.6 9.4 cm [833. The magnetic field...

    please answer and i will give a thumbs up. 5.6 9.4 cm [833. The magnetic field through the rectangular loop shown in the figure changes according to the relation (t) - (3200 - 15.1) with t in seconds. The resistance of the loop is 15.2 m Based on the above information circle the statement(s) that is (sre) TRUE Statements: (a)...

  • Due February 23 (Fri), 9:15 AM Chapter 21-4 Farady's Law of Induction 1. (10 points) A...

    Due February 23 (Fri), 9:15 AM Chapter 21-4 Farady's Law of Induction 1. (10 points) A fixed 12-crn-diameter wire coil is perpendicular to a magnetic field 0.48 T pointing up. In 0.1 the field is changed to 0.20 T pointing down. What is the average induced emf in the coll? 2. (10 points) What is the direction of the induced...

  • In the diagram P1 and P2 are two parallel horizontal plates that are 8.0 mm apart...

    In the diagram P1 and P2 are two parallel horizontal plates that are 8.0 mm apart in a vacuum and have a potential difference of 103 volts maintained between them, the upper plate being positive. Also, there is a horizontal magnetic field of 0.016 as shown. A horizontal beam of electrons is directed between the plates so that it is...

  • An electric motor is made from a loop of coil wrapped 800 times into a circle...

    An electric motor is made from a loop of coil wrapped 800 times into a circle with radius 32cm. The coil is put in a magnetic field with field strength 1.3T, and given a current of 12A What is the magnetic moment of the loop? Am2 What is the greatest amount of torque this setup can provide? Nm What is...

  • Problem 4 A In the image: there is a current 0.5 (A) flowing in the circuit....

    Problem 4 A In the image: there is a current 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has...

  • Problem 4 In the image: there is a current of 0.5 (A) flowing in the circuit....

    Problem 4 In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has...

  • Question 2 (7 points) A charged particle (m = 5.0 g and q = -70 uC)...

    Question 2 (7 points) A charged particle (m = 5.0 g and q = -70 uC) moves horizontally in a straight line with a constant speed of 30 km/s in a region where the free-fall gravitational acceleration is 9.8 m/s? downward, the electric field is 700 N/C upward, and the magnetic field is perpendicular to the velocity of the particle....

  • Problem 4 In the image: there is a current of 0.5 (A) flowing in the circuit....

    Problem 4 In the image: there is a current of 0.5 (A) flowing in the circuit. A) Calculate the voltage of power supply V in the circuit. B) Show the direction of electric current in the circuit and looped wire (show in the image) C) Calculate the magnitude of the magnetic field in the center of the loop which has...

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