Two long parallel wires 10.0 cm apart carry currents of 3.0 A and 2.9 A in the same direction. Is there any point between the two wires where the magnetic field is zero?
a. yes, midway between the wires
b. yes, 4.9 cm from the 3.0-A wire
c. yes, 5.1 cm from the 3.0-A wire
d. yes, 5.1 cm from the 2.9-A wire
e. no.
c
You might also like to view...
The horizontal rows of elements in the periodic table are called
a. periods. b. groups. c. families. d. series.
Light from a monochromatic source shines through a double slit onto a screen 5.0 m away. The slits are 0.18 mm apart. The dark bands on the screen are measured to be 1.7 cm apart. What is the wavelength of the incident light?
A) 457 nm B) 306 nm C) 392 nm D) 612 nm E) 784 nm
Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space
They have identical speeds of 0.600c. The satellites collide and stick together. What is the rest mass of the combined object after the collision? A) 200 kg B) 225 kg C) 250 kg D) 275 kg E) 300 kg
A steel bracket ABCD (EI 5 4.2 3 106 N # m2), with span length L 5 4.5 m and dimension a 5 2 m, is subjected to load P 5 10 kN at D. The maximum deflection at B is approximately:
(A) 10 mm
(B) 14 mm
(C) 19 mm
(D) 24 mm