Question

Three long, straight parallel wires, carrying current, are arranged as shown in figure. The force experienced by a 25 cm length of wire C is

• A. $10^{-3}\, N$
• B. $2.5 \times 10^{-3}\, N$
• C. zero
• D. $1.5 \times 10^{-3}\, N$

Answer 1

Answer: (C)

zero

Answer 2

The magnetic field due to wire $D$ at wire $C$ is