Answer: Squats and leg lifts
Explanation:
They strengthen your legs!
Solution :
Magnetic field at the centre due to
:



Its direction will be downwards in the plane of the paper.
Magnetic field at the centre due to
:



Its direction will be upwards in the plane of the paper
Magnetic field due to the coil:



Its direction will be rightwards.
Now the resultant of the magnetic field at the centre.



Now the direction ,


Therefore
(from right to upward)
Microwave~Inside the strong metal box, there is a microwave generator called a magnetron. When you start cooking, the magnetron takes electricity from the power outlet and converts it into high-powered, 12cm (4.7 inch) radio waves. ... Thus the microwaves pass their energy onto the molecules in the food, rapidly heating it up
Radio~ The radio waves transmitted and received by wireless computer networks are at much higher frequencies than those used by other device