Electricity and Magnetism - A

If two atoms, each with a different charge (+ and -), were brought near each other, they would....

• attract each other

• repel each other

• create static discharge

• have on effect on each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Walking across a carpet is a perfect example of charge being transferred by...

• contact

• induction

• static electricity

• friction

If a neutral metal comb is held near an object with a negative charge, the comb will become charged by....

• static discharge

• contact

• friction

• induction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What type of current is produced by a battery?

• parallel current

• alternating current

• direct current

• potential current

In which of the following materials do charges to flow more easily?

• glass

• wool

• metal wires

• rubber mats

Tags

NGSS.MS-PS2-3

The current in a hair dryer measures 15.0 Amps. The resistance of the appliance is 8.0 ohms. What is the voltage?

• 120 V

• 0.5 V

• 7.0 V

• 1800 V

Which of the following represents Ohm’s law?

• I = V / R

• V = I x R

• R = V x I

• V = I / R

Tags

NGSS.HS-PS2-5

How many paths through which charge can flow would be shown in a circuit diagram of a series circuit?

• two or more

• one

• none, the circuit is open

• more information is needed

Which of the following statements describes the interaction between magnetic poles?

• Like poles attract each other.

• Like poles repel each other, and opposite poles attract each other.

• Opposite poles repel each other.

• Like poles attract each other, and opposite poles repel each other.

Tags

NGSS.3-PS2-3

Which of the following statements is true about Earth’s magnetic poles?

• They are located at Earth’s geographic poles.

• They are the areas where Earth’s magnetic field is weakest.

• They are the areas where Earth’s magnetic field is strongest.

• Earth has four magnetic poles.