Two long wires a and b, carrying equal currents of 10*0A, are placed parallel to each other with a
Channel: Doubtnut
Date: 2020-07-05

Two long wires a and b, carrying equal currents of 10*0A, are placed parallel to each other with a separation of 4*00 cm between them as shown in figure. Find the magnetic field B at each of the points P,Q and R.