Electricity and Magnetism Quiz

The motion (movement) of charges in wires, motors, light bulbs and other devices is called electric

• power

• voltage

• current

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An inflated balloon has been rubbed against a person's hair and is touched to a neutral wall and remains attached. Which diagram best represents the charge distribution on the balloon and the wall?

• 
• 
• 

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NGSS.MS-PS2-3

What voltage reading would you get if you connect both probes of a voltmeter to one end of a 1.5V battery?

• 0 V

• 1.5 V

• -1.5 V

Materials, like wool and rubber, which current will not easily flow through are called

• conductors

• semiconductors

• insulators

As Jack toasts his morning waffle in the toaster, 4 A of current flows with a voltage of 120 V across the toaster. The resistance of the toaster is

When a new branch containing a resistor is added to a parallel circuit, the total resistance

• increases

• decreases

• stays the same

The voltage across each resistor in this parallel circuit is

• 3 V

• 9 V

• 27 V

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The current in a series circuit

• is the same at all points in a circuit

• is greatest in the resistor with the highest resistance

• is greatest in the resistor with the lowest resistance

A students connects six (6) 3-ohm light bulbs in series to a 9 V battery. The total current of the circuit is

• 2 A

• 0.5 A

• 3 A

Placing the north pole of a magnet near the south pole of another magnets results in

• an attractive force between magnets

• a repulsive force between magnets

• no force between magnets

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NGSS.MS-PS2-3

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