6. If a particle with charge "q" moves through a distance "d" through a field with electric field strength "E", the force acting on it will be...
Eq
E/q
q/E
Eqd
E/(qd)
7. The electric field strength at a distance of 1.75 x 10^-10 m from a 1.6 x 10^-19 C point charge is...
9.14 x 10^-10 (units Vm-1 or NC-1)
1.09 x 10^9 (units: Vm-1 or NC-1)
8.22 (units Vm-1 or NC-1)
4.70 x 10^10 (units: Vm-1 or NC-1)
7.51 x 10^-9 (units Vm-1 or NC-1)
8. Both electric and gravitational fields can be attractive or repulsive.
False
True
9. An electron travelling between two parallel plates (with a vaccuum between them) that are connected to a high voltage supply will gain kinetic energy. If the separation of the plates is doubled, but the p.d. kept the same, what effect does this have on th
Doubles
Remains the same
Halves
Quadruples
Quartered
10. Objects cannot be shielded from electric fields.
