If the potential across two parallel plates, separated by 1.50 cm, is 12.0 volts, what is the electric field strength in volts per meter?
1.)4.0 × 10 2 v
2.)1.25 × 10-1 v
3.)8.0 × 102 v
4.)8.0 v

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up