Unit 6 Study Guide - Electricity and Circuits

These flashcards cover key concepts related to electricity, circuits, and related laws from the provided lecture notes.

Electricity is a form of energy due to the accumulation or flow of __.

Electrical charges.

The accumulation of charges on an object is known as __.

Static electricity.

The flow of charges through an object is known as __.

Electric current (I).

Current is measured using the unit __.

Amps (A).

Charged particles include and .

Protons (with + charge) and Electrons (with - charge).

Only __ are free to move between objects.

Electrons.

Similar charges one another while opposite charges one another.

Repel; attract.

Charge is measured using the unit __.

Coulombs (C).

Coulomb’s Law allows us to calculate __ between charges.

Electric forces.

Voltage (ΔV) represents the difference in __ per charge between two points.

Potential energy.

Voltage is measured using the unit __.

Volts (V).

In a circuit, __ supply a voltage (ΔV).

Batteries.

In circuits, the total resistance of resistors in series can be calculated using the equation Rseries = __.

R1 + R2 + R3…

The Junction Rule states that the sum of currents entering a junction must be equal to the sum of __.

Currents leaving the junction.

The Loop Rule states that the ΔV for any closed loop within a circuit must be __.

0.

The formula for Ohm’s Law is __.

I = ΔV / R.

If resistors are in parallel, the total resistance can be calculated using the equation __.

1/Rparallel = 1/R1 + 1/R2 + 1/R3…

When you rub a balloon with a microfiber cloth, the balloon has a charge of -1 and the cloth has a charge of __.

+1.

In a Van De Graaff generator, you get shocked because electrons flow from the generator to your __.

Hand.

In a circuit with a 3 V battery and a current of 0.02 Amps, the value of the resistor can be calculated using __.

Ohm's Law.

When you increase the voltage of a circuit without changing anything else, the current through the circuit __.

Increases.