Question

In an experiment, electrons are accelerated, from rest, by applying, a voltage of 500 V. Calculate the radius of the path if a magnetic field 100 mT is then applied. [Charge of the electron = 1.6 x 10⁻¹⁹ C Mass of the electron = 9.1 x 10⁻³¹ kg]
(A) 7.5 x 10⁻³ m (B) 7.5 x 10⁻² m
(C) 7.5 m (D) 7.5 x 10⁻⁴ m

Answer 1

Answer:

In an experiment, electrons are accelerated, from rest, by applying, a voltage of 500 V. Calculate the radius of the path if a magnetic field 100 mT is then applied. [Charge of the electron = 1.6 x 10⁻¹⁹ C Mass of the electron = 9.1 x 10⁻³¹ kg]

(A) 7.5 x 10⁻³ m

(B) 7.5 x 10⁻² m✓✓

(C) 7.5 m (D) 7.5 x 10⁻⁴ m