<span>Last choice on the list:
Object A has a net charge of 0 because the positive and negative
charges are balanced.
Object B has a net charge of –2 because there is an imbalance of
charged particles (2 more negative electrons than positive protons).</span>
Answer:
Power brake is a device in vehicles which assists in braking by reducing the effort/force needed to apply the brakes on the pedal.