Electricity, Current and Circuits Test Practice

A 30 Ohm resistor is connected across a 5 Volt battery. What is the current in the circuit?

• 1 Amp

• 0.1667 Amps

• 150 Amps

• 6 Amps

Batteries typically have

• 2 positive terminals

• 2 negative terminals

• 1 positive and 1 negative terminal

• no terminals

Whether or not charges will move depends on how tightly ____ are held

• prisoners

• protons

• electrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A force of attraction would exist between

• two positively charged objects

• two negatively charged objects

• a negatively charged object and a no charge object

• a positively charged object and a negatively charged object

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When objects are charged by induction, that means:

• Charges were transferred by current

• a charged object induces a charge in a neutral object

• Charges were transferred by objects touching each other

• Charges were transferred from far away

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When an object is charged by induction, its charge is -? to that of the charging object.

• opposite

• the same

• greater

• smaller

Tags

NGSS.MS-PS2-3

A Circuit Breaker and a fuse

• close the circuit when too much current is detected.

• open the circuit when too much current is detected.

• open the circuit when too little current is detected.

• close the circuit when too little current is detected.

Tags

NGSS.MS-ETS1-1

What does a fuse do for a circuit?

• Creates short circuits

• Slows down the flow of electricity.

• Prevent circuits from overloading

The force between charged objects.

• The Force

• Electricity

• Darwinism

• Electric Force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A repelling force occurs between two charged objects when

• charges are of equal magnitude

• charges are of unlike signs

• charges are of like signs

• charges are of unequal magnitude