Two similar coils of radius `R` are lying concentriclaly with their planes at right angels to each other. The currents flowing in them are `I` and `2I` respectively. The resulant magntic field induction at the centre will be

Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing on them are I and 2I, respectively. The resultant magnetic field induction at the centre will be:

Two similar coils of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and 2 I, respectively. The resultant magnetic field induction at the centre will be

Two similar coils of radius R and number of turns N are lying concentrically with their planes at an angle 60^@ to each other. The currents flowing in them are I and 2I respectively. The resultant magnetic induction at the centre will be

Two similar circular loops of radius R are lying concentrically with their planes at right angles to each other. The currents flowing in them are I and Isqrt(3) respectively. The magnetic field at the centre of the coil is

Two similar circular loops of radius R are lying concentrically with their planes at right angles to each other. The currents flowign in them are l and lsqrt(3) respectively. The magnetic field at the centre of the coil is