4. If a metallic wire of cross-sectional area 3.0x 10 m carries a current of 6 A and has a mobile charge density of 4.24 x ca * 10M carriers/m2 what is the average drift velocity of the mobile...
4. A charged particle is projected into a uniform B-field. Its velocity vector is perpendicular to the B-field vector. What type of path will the particle travel? Neglect gravity A flexible coil 25 cm long is shaped into a circle with its face perpendicular to a 0.25 T magnetic field. If the coil is then pulled to collapse the area in 2.0 ms, what emf is induced in the coil? 5. A car antenna is 1.5 m long. The car...
a wire has a resistivity of 1.68 × 10^-8 ohms•m, and a cross sectional area of 2 cm^2. It is bent into a circle of radius 50 cm. A magnetic field, directed perpendicular through the region bounded by the wire, is uniformly increasing at .04 T/s throughout the region. Find the current (magnitude and direction) induced in the wire.
A wire has a current density of 7.43 Times 10^6 A/m^2. If the cross-sectional area of the wire is 1.99 mm^2, current does the wire carry? With this current, how much time is required for 5.87 Times 10^20 electrons to pass any point on the wire?
4 a) A particle of charge +7 pC ic field of at 4 x 10 3msne perpendicular to a magnet strength 03 T (Tesla), asting into the pMxOn Whas Porce would resul? On drswing show Force Direction New Calculate the Strength of the Force +7 uC Force 1.6x 10c unilt of charge, found on electrons protons and singly charged aroms,ise roton (mass 1.67 x 10 kg) traveling at 5 x 10 The basie smit of charge, found on electrons b)...
Save Ans. Question 5 4 points A wire carries a current of 10.0 A. At what distance from the wire will a magnetic field of 8.0 x 10^-4T be produced? a. 2.5 mm b.1.5 cm c. 3.0 m O d. 2.7 cm Save Answe Question 9 5 points A single circular loop of wire with radius 25.0 cm is perpendicular to a magnetic field which increases from 1.5 T to 4.8 Tin 23.0 ms. What is the induced e.m.f. in...
A single conducting lop of wire has an area of 7.2 x 10^-2 m^2 and a resistance of 110 Ohm. Perpendicular to the plane of the loop is a magnetic field of strength 0.48 T. At what rate (in T/s) must this field change if the induced current in the loop is to be 0.32 A?
Question 10 5 points Save Answ A square coil (20.0 cm x 20.0 cm) of wire consists of 50 loops. The magnetic field is perpendicular to the face of the coil and increases from 3.0 T to 5.0 T in 0.1 s. The coil is connected across a 20.0 ohm resistor. How much current flows through the resistor? a. 2.0 A b.1.0 A c. 1.5 A d.4.0 A Moving to another question will save this response. Question 11 of Save...
y-0 cm y 60 cm 30 cm B 10 T 10 Ω 10 cm. . v 10 m/s z out of page y A rectangular wire loop is carried in the y-direction at a constant speed of 10 m/s. The loop has a total loop resistance of 10 Ω and is lying in the x-y plane. It is 30 cm long and 10 cm wide. A region of constant and uniform magnetic field of magnitude 10 T pointing in the...
A copper wire of cross-sectional area 2.40 × 10-6 m2 and length 3.40 m has a current of 2.80 A uniformly distributed across that area. (a) what is the magnitude of the electric field along the wire? (b) How much electrical energy is transferred to thermal energy in 20.0 min?