QJEEM22Phcb1c: JEE Main 2022 Physics - Class 12 JEEM22Phcb1c Solution: A metallic rod of length 20 cm is placed in North-South…

A metallic rod of length 20 cm is placed in North-South direction and is moved at a constant speed of 20 m/s towards East. The horizontal component of the Earth's magnetic field at that place is 4 $$\times$$ 10^$$-$$3 T and the angle of dip is 45$${}^{\circ }$$. The emf induced in the rod is ___________ mV.