Unit Test — Unit test

Question 1

A negative test charge experiences a force to the right as a result of an electric field. Which is the best conclusion to draw based on this description?

Revolt · Accepted Answer

The electric field points to the left because the force on a negative charge is opposite to the direction of the field.

Question 2

What is the direction of the electric field at a point directly to the left of a positive charge, Q?

Revolt · Accepted Answer

left

Question 3

Humberto builds two circuits using identical components.Circuit 1: A series circuit with three lightbulbs Circuit 2: A parallel circuit with three lightbulbsHe then adds two more lightbulbs in a series with the bulbs in circuit 1 and two more lightbulbs on new branches in parallel with each bulb in circuit 2.

Revolt · Accepted Answer

All bulbs in circuit 1 will shine more dimly than the original bulbs, while all bulbs in circuit 2 will have the same brightness as the original bulbs.

Question 4

Which statements about electric field lines are correct? Check all that apply.They point toward a positive charge.They point toward a negative charge.They point away from a positive charge.They point away from a negative charge.They cross over one another between charges.They never cross.

Revolt · Accepted Answer

They point toward a negative charge.; They point away from a positive charge.; They never cross.

Unit Test — Unit test Answers

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