PS Ch 7 Test

PS Ch 7 Test

Assessment

Flashcard

Science

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is gravitational kinetic energy?

Back

The energy of an object due to its motion as it falls under the influence of gravity.

2.

FLASHCARD QUESTION

Front

What is the function of a generator?

Back

To convert mechanical energy into electrical energy.

3.

FLASHCARD QUESTION

Front

What does Ohm's law state about resistance?

Back

Resistance is equal to voltage divided by current.

4.

FLASHCARD QUESTION

Front

How do you calculate the voltage in a transformer?

Back

Use the formula: Vp/Vs = Np/Ns, where Vp is primary voltage, Vs is secondary voltage, Np is number of turns in primary coil, and Ns is number of turns in secondary coil.

5.

FLASHCARD QUESTION

Front

What must electric charges do to create a magnetic field?

Back

Electric charges must be moving.

6.

FLASHCARD QUESTION

Front

Define gravitational potential energy.

Back

The energy stored in an object due to its position in a gravitational field.

7.

FLASHCARD QUESTION

Front

What is the formula for calculating kinetic energy?

Back

Kinetic energy (KE) = 1/2 mv², where m is mass and v is velocity.

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