The electric field is strongest where the equipotential lines are: A) Closely spacedB) Far apartC) ParallelD) Perpendicular

The SI unit of electric current is: A) VoltB) OhmC) AmpereD) Coulomb

If a charge is placed in a uniform electric field, the force on the charge will: A) Be zeroB) Depend on the velocity of the chargeC) Be constant in magnitude and directionD) Depend on the acceleration of the charge

What is the electric potential at a distance of 0.2 m0.2 \, \text{m} from a point charge of +6 μC+6 \, \mu C?

A charge 2 μC2 \, \mu C is moved through a potential difference of 100 V100 \, \text{V}. Calculate the work done.

If the length of a conductor is doubled and its cross-sectional area is halved, the resistance will: A) Remain the sameB) DoubleC) QuadrupleD) Halve

he electric potential at a point is defined as: A) Force per unit chargeB) Work done per unit chargeC) Energy per unit distanceD) Charge per unit distance

Two charges, q1=+3 μCq_1 = +3 \, \mu C and q2=−4 μCq_2 = -4 \, \mu C, are separated by 0.5 m0.5 \, \text{m}. Calculate the magnitude of the force between them.

In a circuit with multiple loops, Kirchhoff’s voltage law can be used to calculate: A) Current in individual branchesB) Total power in the circuitC) The resistance in each loopD) The total charge in the circuit

Species _____  is a measure of the proportion of each species in a given area.