A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is pointed along the direction of fields, then the electrons___________
A. will turn towards right of direction of motion
B. speed will decrease
C. speed will increase
D. will turn towards left of direction of motion
Answer:B
A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is pointed along the direction of fields, then the electrons___________
A. will turn towards right of direction of motion B. speed will decrease C. speed will increase D. will turn towards left of direction of motion