Charge is conserved means:

ATotal charge in an isolated system stays constant.

BCharge cannot be transferred between objects.

CPositive and negative charges do not attract each other.

DCharge changes over time.

Free sample questions available. No credit card required.

The diagram shows two point charges. Charge A has +4 μC and charge B has +2 μC. They are separated by 0.10 m. What...

The diagram shows electric field lines around two point charges. What is the sign of each charge?

In the circuit shown, a 12 V battery drives current through two resistors in series: R₁ = 4 Ω and R₂ = 8 Ω. What is...

The diagram shows energy levels of an atom. An electron transitions from level n = 3 to level n = 1. What happens?