Alternating Current $($AC$)$is the $\_\_\_\_\_\_\_\_\_$ flow of electric charge.

$$

Flag question: Question $2$

Question $24$ pts

A magnetic field is caused by a $\_\_\_\_\_\_\_$ electric charge.

$$

Flag question: Question $3$

Question $33$ pts

A coil of wire with a current is often called an $\_\_\_\_\_\_\_\_\_.$

$$

Flag question: Question $4$

Question $45$ pts

Energy flows in an electrical circuit

Group of answer choices

parallel to and outside the wires.

perpendicular to and inside the wires.

perpendicular to and outside the wires.

parallel to and inside the wires.

$$

Flag question: Question $5$

Question $53$ pts

Two two key problems for controlled fusion on Earth are $\_\_\_\_\_\_\_$ and containment.

$$

Flag question: Question $6$

Question $63$ pts

Direct Current $($DC$)$is the $\_\_\_\_\_\_\_\_\_\_\_\_$ flow of electric charge.

$$

Flag question: Question $7$

Question $73$ pts

Every charge has an $\_\_\_\_\_\_\_\_$ field.

$$

Flag question: Question $8$

Question $84$ pts

Electric field lines from positive charges point radially $,$ and point radially for negative charges.

$$

Flag question: Question $9$

Question $92$ pts

Estimate the energy density of nuclear fuels $($in terrajoule$/$kilogram$,1$ terrajoule $=1$e$12$ joule$).$

$$

Flag question: Question $10$

Question $104$ pts

Fission decomposes$$ nuclei into $$nuclei$.$

$$

Flag question: Question $11$

Question $114$ pts

Fusion$$combines nuclei into nuclei.

$$

Flag question: Question $12$

Question $122$ pts

Laser fusion attempts fusion reactions by $\_\_\_\_\_\_\_\_\_$ and compressing a fuel target.

$$

Flag question: Question $13$

Question $135$ pts

Peas have a diameter of about $0\mathrm{.}1$ cm$.$ Estimate the number of peas that fit in a gallon jar.

$$

Flag question: Question $14$

Question $145$ pts

A clothes washer used $2$ kilowatt for $0\mathrm{.}9$ hour. If electricity costs $$0\mathrm{.}15$ per kilowatt$-$hour, how much did it cost $($in dollars, to the nearest penny$)$ to use the clothes washer?