In alternating current, the motion of the charges:

continuously changes in the forward and reverse directions.

is equal to the speed of light.

is greater than the speed of light.

is in the same direction of the electric field.

Three resistors connected in series carry currents labeled I 1 , I 2 and I 3 respectively. Which of the following expresses the total current, I t , in the system made up of the three resistors in series?

I t = (1I 1 + 1/I 2 + 1/I 3 ) -1

The current flowing in an electric circuit can be increased by:

increasing voltage or decreasing resistance.

decreasing voltage or increasing resistance.

increasing voltage and increasing resistance.

decreasing voltage and decreasing resistance.

Solving Electric Circuits

Authored by Charles Martinez

Physics

KG - University

NGSS covered

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

This is an example of a _______ circuit

open

series

parallel

square

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

This is an example of a ______ circuit

Series

Parallel

Open

Dihexihedral

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electricity is the flow of _________.

Protons

Neutrons

Electrons

A series circuit has ____ path(s) that the electric current can take.

One

Two

Three

Four

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of power?

Amps

Watts

Volts

Joules

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the unit of Current?

Amps

Watts

Volts

Joules

What is the unit of voltage?

Amps

Watts

Volts

Joules

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Solving Electric Circuits

This is an example of a _______ circuit

This is an example of a ______ circuit

Electricity is the flow of _________.

A series circuit has ____ path(s) that the electric current can take.

What is the unit of power?

What is the unit of Current?

What is the unit of voltage?

What is the unit of energy?

If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?

If you decreases the resistance of a circuit, what happens?

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