06:24Magnetic Field of a Moving Charge, Proton, Right Hand Rule - Physics & ElectromagnetismThe Organic Chemistry Tutor352views2rank
Multiple ChoiceAs a proton passes the origin, its velocity is 3.0×105m/sin the positive x direction. What is the magnitude of the magnetic field at the point (12.0cm, 5.0cm, 0.0cm)?357views
Multiple ChoiceAs a proton passes the origin, its velocity is 3.0×105m/s in the positive x direction. What is the direction of the magnetic field at the point (12.0cm, 5.0cm, 0.0cm)?292views
Multiple ChoiceA charged particle moving in a magnetic field has a force to the top of the page when it is moving toward the right and the field is into the page. Is this particle positive, negative or neutral?465views
Multiple ChoiceWhat is the force on an electron with velocity v⇀=(3.0×105ms)i^+(4.0×105ms)k^ in a region of space with magnetic field B⇀=(2.4×10−4T)i^?238views
Textbook QuestionThe current in a wire varies with time according to the relationship I = 55 A - (0.65 A/s^2)t^2. (b) What constant current would transport the same charge in the same time interval?430views
Textbook QuestionThe current in a wire varies with time according to the relationship I = 55 A - (0.65 A/s^2)t^2 . (a) How many coulombs of charge pass a cross section of the wire in the time interval between t = 0 and t = 8.0 s? (b) What constant current would transport the same charge in the same time interval?931views1rank
Textbook QuestionCompared to an ideal battery, by what percentage does the battery's internal resistance reduce the potential difference across the 20 Ω resistor in FIGURE EX28.24?87views
Textbook Questiona. Load resistor R is attached to a battery of emf and internal resistance r. For what value of the resistance R, in terms of ∈ and r, will the power dissipated by the load resistor be a maximum?103views
Textbook QuestionA proton moves along the x-axis with vₓ = 1.0 x 10⁷ m/s.. As it passes the origin, what are the strength and direction of the magnetic field at the (x, y, z) positions (a) (1 cm, 0 cm, 0 cm), (b) (0 cm, 1 cm, 0 cm), and (c) (0 cm, -2 cm, 0 cm)?502views
Textbook QuestionWhat is the magnetic field at the position of the dot in FIGURE EX29.6? Give your answer as a vector.450views