Image #1 (Questions 1 – 6)

Two charges are separated by a distance r. If the distance is doubled, the electric force becomes:a. Twice as large  b. Four times as large  c. One-fourth as large  d. One-half as large

When a capacitor in an RC circuit is fully charged, the current is:a. Maximum  b. Half  c. Constant  d. Zero

The total resistance in a parallel circuit is:a. The sum of all resistances  b. The average resistance  c. Less than any individual resistor  d. Always 0

Current is the rate of:a. Charge flow  b. Voltage increase  c. Energy conversion  d. Resistance buildup

Capacitors in series combine as:a. C = C₁ + C₂ + …  b. C = C₁C₂  c. 1/C = 1/C₁ + 1/C₂  d. C = 1/C₁ + C₂

What is the direction of the electric field produced by a positive point charge?a. Away from the charge  b. Toward the charge  c. Perpendicular to the charge  d. In circles around the charge

Kirchhoff’s loop rule is based on:a. Conservation of energy  b. Conservation of charge  c. Ohm’s Law  d. Conservation of momentum

A charge of 2 C at a potential of 3 V has a potential energy of:a. 1.5 J  b. 6 J  c. 5 J  d. 3 J

In a series circuit, the current is:a. Different for each resistor  b. Zero across all  c. Proportional to resistance  d. Same across all elements