Multiple Choice
Two long straight wires pierce the plane of the paper at vertices of an equilateral triangle as shown below. They each carry 2 A, out of the paper. The magnetic field at the third vertex (P) has magnitude (in T) :
A) 1.0 * 10-5
B) 1.7 *10-5
C) 2.0 * 10-5
D) 5.0 *10-6
E) 8.7* 10-6
Correct Answer:

Verified
Correct Answer:
Verified
Q14: Suitable units for <span
Q24: In Ampere's law, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3976/.jpg" alt="In Ampere's
Q26: Magnetic field lines inside the solenoid shown
Q27: The diagrams show three circuits consisting of
Q28: In Ampere's law, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3976/.jpg" alt="In Ampere's
Q31: A long straight wire carrying a 3.0
Q32: Four long straight wires carry equal currents
Q38: The magnetic field outside a long straight
Q40: In an overhead straight wire, the current
Q47: Two parallel wires, 4 cm apart, carry